332354 + Interview Questions in Secondary School in Math

1.	If a number is added to itself,the answer is single of the number or double of the number or triple of the number?
Answer» ANSWER:DOUBLE of the number Step-by-step EXPLANATION:

1.

If a number is added to itself,the answer is single of the number or double of the number or triple of the number?

Answer»

ANSWER:DOUBLE of the number

Step-by-step EXPLANATION:

Discussion

2.	Use Euclid's division lemma to show that the square of any positive integer is either ofthe form 3m or 3m + 1 for some integer m.
Answer» GIVEN, For any given two integers a and b , there exists a UNIQUE integers between them q and r ,which satisfies a=bq+r , where ZERO is less than or equal to r Here b=3 Case 1: If r=0 a^2=(3q+0)^2 =(3q)^2 =9q^2 =3(3q^2) = 3m [where m=3q^2] Case 2: If r=1 a^2=(3q+1)^2 =(9q^2 + 2×3q×1 + 1) =(9q^2 + 6q + 1) =3( 3q^2 + 2q ) + 1 =3m +1 [where m= 3q^2 + 2q] therefore SQUARE of any positive integer is either of the form 3m or 3m + 1 for some integer m.

2.

Use Euclid's division lemma to show that the square of any positive integer is either ofthe form 3m or 3m + 1 for some integer m.

Answer»

GIVEN,

For any given two integers a and b , there exists a UNIQUE integers between them q and r ,which satisfies

a=bq+r , where ZERO is less than or equal to r

Here b=3

Case 1:

If r=0

a^2=(3q+0)^2

=(3q)^2

=9q^2

=3(3q^2)

= 3m [where m=3q^2]

Case 2:

If r=1

a^2=(3q+1)^2

=(9q^2 + 2×3q×1 + 1)

=(9q^2 + 6q + 1)

=3( 3q^2 + 2q ) + 1

=3m +1 [where m= 3q^2 + 2q]

therefore SQUARE of any positive integer is either of

the form 3m or 3m + 1 for some integer m.

Discussion

3.	All numbers which are divisible by 8 must also be divisible by 4
Answer» ANSWER: $CUBE30Thanks+Follow=Inboxbody {padding-left: 30%;padding-top: 5%;}.container {width: 200px;height: 200px;position: relative;-webkit-perspective: 1000px;-moz-perspective: 1000px;}#cube {width: 100%;height: 100%;position: absolute;-webkit-transform-style: preserve-3d;-webkit-animation: rotatecube 10s infinite;-moz-transform-style: preserve-3d;-moz-animation: rotatecube 10s infinite;}#cube div {width: 200px;height: 200px;display: block;position: absolute;border: none;line-height: 200px;text-align: center;font-size: 50px;font-weight: bold;}@-webkit-keyframes rotatecube {0% { -webkit-transform: rotateX(0deg) rotateY(360deg) rotateZ(90deg); }25% { -webkit-transform: rotateX(90deg) rotateY(270deg) rotateZ(180deg); }50% { -webkit-transform: rotateX(180deg) rotateY(180deg) rotateZ(0deg); }75% { -webkit-transform: rotateX(270deg) rotateY(90deg) rotateZ(360deg); }100% { -webkit-transform: rotateX(360deg) rotateY(0deg) rotateZ(270deg); }}@-moz-keyframes rotatecube {0% { -moz-transform: rotateX(0deg) rotateY(360deg) rotateZ(90deg); }25% { -moz-transform: rotateX(90deg) rotateY(270deg) rotateZ(180deg); }50% { -moz-transform: rotateX(180deg) rotateY(180deg) rotateZ(0deg); }75% { -moz-transform: rotateX(270deg) rotateY(90deg) rotateZ(360deg); }100% { -moz-transform: rotateX(360deg) rotateY(0deg) rotateZ(270deg); }}.front {background: rgba(255,0,0,.5);}.back {background: rgba(0,255,0,.5);}.right {background: rgba(0,0,255,.5);}.left {background: rgba(0,255,255,.5);}.top {background: rgba(255,0,255,.5);}.bottom {background: rgba(255,255,0,.5);}#cube .front {-webkit-transform: rotateY(0deg ) translateZ( 100px );-moz-transform: rotateY( 0deg ) translateZ( 100px );}#cube .back {-webkit-transform: rotateX( 180deg ) translateZ( 100px );-moz-transform: rotateX( 180deg ) translateZ( 100px );}#cube .right {-webkit-transform: rotateY( 90deg ) translateZ( 100px );-moz-transform: rotateY( 90deg ) translateZ( 100px );}#cube .left {-webkit-transform: rotateY( -90deg ) translateZ( 100px );-moz-transform: rotateY( -90deg ) translateZ( 100px );}#cube .top {-webkit-transform: rotateX( 90deg ) translateZ( 100px );-moz-transform: rotateX( 90deg ) translateZ( 100px );}#cube .bottom {-webkit-transform: rotateX( -90deg ) translateZ( 100px );-moz-transform: rotateX( -90deg ) translateZ( 100px );}$ Yes it true...

3.

All numbers which are divisible by 8 must also be divisible by 4

Answer»

ANSWER:

$CUBE30Thanks+Follow=Inboxbody {padding-left: 30%;padding-top: 5%;}.container {width: 200px;height: 200px;position: relative;-webkit-perspective: 1000px;-moz-perspective: 1000px;}#cube {width: 100%;height: 100%;position: absolute;-webkit-transform-style: preserve-3d;-webkit-animation: rotatecube 10s infinite;-moz-transform-style: preserve-3d;-moz-animation: rotatecube 10s infinite;}#cube div {width: 200px;height: 200px;display: block;position: absolute;border: none;line-height: 200px;text-align: center;font-size: 50px;font-weight: bold;}@-webkit-keyframes rotatecube {0% { -webkit-transform: rotateX(0deg) rotateY(360deg) rotateZ(90deg); }25% { -webkit-transform: rotateX(90deg) rotateY(270deg) rotateZ(180deg); }50% { -webkit-transform: rotateX(180deg) rotateY(180deg) rotateZ(0deg); }75% { -webkit-transform: rotateX(270deg) rotateY(90deg) rotateZ(360deg); }100% { -webkit-transform: rotateX(360deg) rotateY(0deg) rotateZ(270deg); }}@-moz-keyframes rotatecube {0% { -moz-transform: rotateX(0deg) rotateY(360deg) rotateZ(90deg); }25% { -moz-transform: rotateX(90deg) rotateY(270deg) rotateZ(180deg); }50% { -moz-transform: rotateX(180deg) rotateY(180deg) rotateZ(0deg); }75% { -moz-transform: rotateX(270deg) rotateY(90deg) rotateZ(360deg); }100% { -moz-transform: rotateX(360deg) rotateY(0deg) rotateZ(270deg); }}.front {background: rgba(255,0,0,.5);}.back {background: rgba(0,255,0,.5);}.right {background: rgba(0,0,255,.5);}.left {background: rgba(0,255,255,.5);}.top {background: rgba(255,0,255,.5);}.bottom {background: rgba(255,255,0,.5);}#cube .front {-webkit-transform: rotateY(0deg ) translateZ( 100px );-moz-transform: rotateY( 0deg ) translateZ( 100px );}#cube .back {-webkit-transform: rotateX( 180deg ) translateZ( 100px );-moz-transform: rotateX( 180deg ) translateZ( 100px );}#cube .right {-webkit-transform: rotateY( 90deg ) translateZ( 100px );-moz-transform: rotateY( 90deg ) translateZ( 100px );}#cube .left {-webkit-transform: rotateY( -90deg ) translateZ( 100px );-moz-transform: rotateY( -90deg ) translateZ( 100px );}#cube .top {-webkit-transform: rotateX( 90deg ) translateZ( 100px );-moz-transform: rotateX( 90deg ) translateZ( 100px );}#cube .bottom {-webkit-transform: rotateX( -90deg ) translateZ( 100px );-moz-transform: rotateX( -90deg ) translateZ( 100px );}$

Yes it true...

Discussion

4.	in a trapezium abcd ab is parallel dc and angle c=60 degrees angle d=45 degrees if ab =6cm and bc=4cm find the height of trapezium and length of dc
Answer» Answer: so chico Step-by-step explanation: DRAW a line parallel to AD as GIVEN in the below figure. That IMPLIES DE=6cm and EC=5cm. Now we get a triangle EBC with sides 3,4 and 5 cms. Area= 0.5Bh = Sq.root( s(s-a)(s-b)(s-c)) s= (3+4+5)/2 = 6 0.55X = Sq.root (6(6–3)(6–4)(6–5)) 5/2*x = 6 x= 12/5 = 2.4cms

4.

in a trapezium abcd ab is parallel dc and angle c=60 degrees angle d=45 degrees if ab =6cm and bc=4cm find the height of trapezium and length of dc

Answer»

Answer:

so chico

Step-by-step explanation:

DRAW a line parallel to AD as GIVEN in the below figure. That IMPLIES DE=6cm and EC=5cm.

Now we get a triangle EBC with sides 3,4 and 5 cms.

Area= 0.5*B*h = Sq.root( s*(s-a)(s-b)(s-c))

s= (3+4+5)/2 = 6

0.5*5*X = Sq.root (6*(6–3)(6–4)(6–5))

5/2*x = 6

x= 12/5 = 2.4cms

Discussion

5.	Find the mean , median , and mpde for each of the columns 2 , 3 and 4
Answer» Step-by-step EXPLANATION: MEAN is 2+3+4= 3 median is 3 mode 3

5.

Find the mean , median , and mpde for each of the columns 2 , 3 and 4

Answer»

Step-by-step EXPLANATION:

MEAN is 2+3+4= 3

median is

3

mode 3

Discussion

6.	If sin theta =a/b find sec theta plus tan theta
Answer» ANSWER: I HOPE this will HELP you. .

6.

If sin theta =a/b find sec theta plus tan theta

Answer»

ANSWER:

I HOPE this will HELP you. .

Discussion

7.	First term 30, the sum of the first five term is 300 ?
Answer» OK. But what should we FIND DUDE.

Discussion

8.	Solve the equation and also check the result.2( 4x + 7 ) = 2x + 2
Answer» Answer: 8x+14=2x+2 6x=-12 x=-12/6 x=-2

8.

Solve the equation and also check the result.2( 4x + 7 ) = 2x + 2

Answer»

Answer:

8x+14=2x+2

6x=-12

x=-12/6

x=-2

Discussion

9.	শিলার এখন বয়স x বছর 4 বছর আগে শিলার বয়স কত ছিল এবং 4 বছর পরে কত হবে
Answer» ANSWER: PLEASE WRITE it in HINDI or ENGLISH

9.

শিলার এখন বয়স x বছর 4 বছর আগে শিলার বয়স কত ছিল এবং 4 বছর পরে কত হবে

Answer»

ANSWER:

PLEASE WRITE it in HINDI or ENGLISH

Discussion

10.	What is the product of (x+2) (x-2)
Answer» ANSWER:x^2- 2 Step-by-step EXPLANATION: x^2-2x+2x-4

10.

What is the product of (x+2) (x-2)

Answer»

ANSWER:x^2- 2

Step-by-step EXPLANATION: x^2-2x+2x-4

Discussion

11.	The algebra form of arithmetic sequence is 4n+1 what is the common difference
Answer» ANSWER: d = A2- A1 d = 9-5 d = 4 ANS.

11.

The algebra form of arithmetic sequence is 4n+1 what is the common difference

Answer»

ANSWER:

d = A2- A1

d = 9-5

d = 4 ANS.

Discussion

12.	2x+5/3x+4=3 solve and check
Answer» Answer: 2x+5=9x+12 -7x=-7 x=-7/-7 x=1

12.

2x+5/3x+4=3 solve and check

Answer»

Answer:

2x+5=9x+12

-7x=-7

x=-7/-7

x=1

Discussion

13.	Each side of a regular polygon is 5.3 cm in length. The perimeter of the polygon is 63.6 cm. How many sides does the polygon have?
Answer» ANSWER: 12. Step-by-step explanation: LET US say the no.of sides of the polygon is 'x'. then, $(length of each side ) (x) = Perimeter.\\=> (5.3) (x) = 63.6\\=> x = \frac{63.6}{5.3} \\=> x = 12$ HOPE my answer HELPS you mate.............

13.

Each side of a regular polygon is 5.3 cm in length. The perimeter of the polygon is 63.6 cm. How many sides does the polygon have?

Answer»

ANSWER:

12.

Step-by-step explanation:

LET US say the no.of sides of the polygon is 'x'.

then,

$(length of each side ) (x) = Perimeter.\\=> (5.3) (x) = 63.6\\=> x = \frac{63.6}{5.3} \\=> x = 12$

HOPE my answer HELPS you mate.............

Discussion

14.	What is 2,3rd of 18 or 27
Answer» Step-by-step EXPLANATION: I THINK it will HELP you

14.

What is 2,3rd of 18 or 27

Answer»

Step-by-step EXPLANATION:

I THINK it will HELP you

Discussion

15.	Ratio of 65 books to 91 books
Answer» Answer: 65is to 91 Step-by-step EXPLANATION: FIND LCM and DIVI

15.

Ratio of 65 books to 91 books

Answer»

Answer:

65is to 91

Step-by-step EXPLANATION:

FIND LCM and DIVI

Discussion

16.	What is a surds?and state any five examples on it
Answer» Answer: Surds have infinite non-recurring decimals. Examples are √2, √5, ∛17 which are SQUARE roots or cube roots or nth root of any POSITIVE integer. For example, each of the QUANTITIES √3, ∛7, ∜19, (16)^25 etc. is a surd. ғᴏʟʟᴏᴡ ᴍᴇ

16.

What is a surds?and state any five examples on it

Answer»

Answer:

Surds have infinite non-recurring decimals. Examples are √2, √5, ∛17 which are SQUARE roots or cube roots or nth root of any POSITIVE integer. For example, each of the QUANTITIES √3, ∛7, ∜19, (16)^25 etc. is a surd.

ғᴏʟʟᴏᴡ ᴍᴇ

Discussion

17.	The average size of 50 10th grade students is 15. the average enrollment increased to 0.5 after 10 new students were added. so what is the average number of newly enrolled students?
Answer» Answer: Sneha book KA class ROOM me as brain LIST the me I to you a I as a very to of a I to is I as a to of a to of is of a I a I as a I a very to of a to of I a very PLEASE MARK as a

17.

The average size of 50 10th grade students is 15. the average enrollment increased to 0.5 after 10 new students were added. so what is the average number of newly enrolled students?

Answer»

Answer:

Sneha book KA class ROOM me as brain LIST the me I to you a I as a very to of a I to is I as a to of a to of is of a I a I as a I a very to of a to of I a very PLEASE MARK as a

Discussion

18.	In an ap of 200 term the 27 th term and 174 terms is 4.find the sum o
Answer» Step-by-step EXPLANATION: Question not clear. I can't answer if there is no full DESCRIPTION of the question

18.

In an ap of 200 term the 27 th term and 174 terms is 4.find the sum o

Answer»

Step-by-step EXPLANATION:

Question not clear. I can't answer if there is no full DESCRIPTION of the question

Discussion

19.	If a ice cream vendor sold 500 ice cream in a week how many ice cream did he sold in his weekends
Answer» Answer: 142 ice creams probably Step-by-step explanation: If the ice CREAM vendor had sold 500 ice creams in a WEEK then he would have sold AROUND 71 ice creams in a DAY and if he had been selling the same no. of ice cream everyday then he would have sold 71*2= 142 ice creams

19.

If a ice cream vendor sold 500 ice cream in a week how many ice cream did he sold in his weekends

Answer»

Answer:

142 ice creams probably

Step-by-step explanation:

If the ice CREAM vendor had sold 500 ice creams in a WEEK then he would have sold AROUND 71 ice creams in a DAY and if he had been selling the same no. of ice cream everyday then he would have sold 71*2= 142 ice creams

Discussion

20.	4.75 लीटर किरासन तेल व 25 लीटर पेट्रोल को समान आयतन वाले बर्तनों में भरकर रखना है, जिससे दोनोंआपस में मिल न जाय। कम से कम ऐसे कितने बर्तन लगेंगे? प्रत्येक बर्तन में कितना लीटर तेल आयेगा?
Answer» ANSWER: EXPLAIN in GOOD WORDS so that I can answer your QUESTION

20.

4.75 लीटर किरासन तेल व 25 लीटर पेट्रोल को समान आयतन वाले बर्तनों में भरकर रखना है, जिससे दोनोंआपस में मिल न जाय। कम से कम ऐसे कितने बर्तन लगेंगे? प्रत्येक बर्तन में कितना लीटर तेल आयेगा?

Answer»

ANSWER:

EXPLAIN in GOOD WORDS so that I can answer your QUESTION

Discussion

21.	189461×199-(189461)what is answer
Answer» ANSWER: 189461×198=3673739 3673739-189461=3484278 HOPE IT HELPS *PLS* *MARK* AS *BRAINLIEST* *ANSWER*

21.

189461×199-(189461)what is answer

Answer»

ANSWER:

189461×198=3673739

3673739-189461=3484278

HOPE IT HELPS

PLS MARK AS BRAINLIEST ANSWER

Discussion

22.	Write the decimal expression of the rational number 7/8 with out actual division
Answer» Step-by-step explanation: First, We can write 8 as 2^3 So, now the fraction is 7/(2^3) Now, multiply and divide the equation by 5^3. THEREFORE, the fraction will be (7 x 5^3) / (2^3 x 5^3) By Simplification We get, (7 x 125) / (10)^3 = 875/1000 Therefore, the decimal EXPANSION is 0.875. Hope it helped you.

22.

Write the decimal expression of the rational number 7/8 with out actual division

Answer»

Step-by-step explanation:

First,

We can write 8 as 2^3

So, now the fraction is 7/(2^3)

Now, multiply and divide the equation by 5^3.

THEREFORE, the fraction will be (7 x 5^3) / (2^3 x 5^3)

By Simplification

We get, (7 x 125) / (10)^3

= 875/1000

Therefore, the decimal EXPANSION is 0.875.

Hope it helped you.

Discussion

23.	{(8/11)^2}^-5 × {11/8} ^-12
Answer» PLS MARK as BRAINLIEST ANSWER

Discussion

24.	RADIUS of a cylinder is 8 feet and height is 12 feet what is its surface area
Answer» Answer: TOTAL surface area. 1005.31 sqft For a CYLINDER there is 2 kinds of formulas the LATERAL and the total. the lateral surface area is just the sides the formula for that is 2(pi)radius(height). the formula for the total surface area is 2(pi)radius(height) + 2(pi)radius squared

24.

RADIUS of a cylinder is 8 feet and height is 12 feet what is its surface area

Answer»

Answer:

TOTAL surface area. 1005.31 sqft

For a CYLINDER there is 2 kinds of formulas the LATERAL and the total. the lateral surface area is just the sides the formula for that is 2(pi)radius(height). the formula for the total surface area is 2(pi)radius(height) + 2(pi)radius squared

Discussion

25.	A train travel a distance of 100km in the first 2hours and then a distance of 80 km in the next 1hour what is the average speed of the train
Answer» Answer: mujhe nahin Pata Kyunki Main UNKA CHHOTA bhai hun JINKA YAH phone hai

25.

A train travel a distance of 100km in the first 2hours and then a distance of 80 km in the next 1hour what is the average speed of the train

Answer»

Answer:

mujhe nahin Pata Kyunki Main UNKA CHHOTA bhai hun JINKA YAH phone hai

Discussion

26.	1/3(x-1) greater that or equal to 1/2(x-2)greater than or equal to 1/4*(4-x) belongs to natural number solve the following equation
Answer» $\huge{\underline{\underline{\purple{♡Answer→}}}}$ *The key to SOLVING EXPONENTIAL equations lies in logarithms! ... And just like that we have solved the equation! ... more. In number 5, where did the 1/2 come from. ... 1) 4(5^(2X*)

26.

1/3(x-1) greater that or equal to 1/2(x-2)greater than or equal to 1/4*(4-x) belongs to natural number solve the following equation

Answer»

$\huge{\underline{\underline{\purple{♡Answer→}}}}$

The key to SOLVING EXPONENTIAL equations lies in logarithms! ... And just like that we have solved the equation! ... more. In number 5, where did the 1/2 come from. ... 1) 4*(5^(2*X)

Discussion

27.	(1/4 +1/5) ÷(1_3/8 ×3/5) answer
Answer» Answer: 29 Step-by-step EXPLANATION: you. an do by itself LIKE PLZZZ make me BRAINLIST ALSO

27.

(1/4 +1/5) ÷(1_3/8 ×3/5) answer

Answer»

Answer:

29

Step-by-step EXPLANATION:

you. an do by itself LIKE PLZZZ make me BRAINLIST ALSO

Discussion

28.	Find the least number which should be subtracted from 967 so as to get a perfect square
Answer» Answer: 6 should be subtracted to GET PERFECT square. Step-by-step EXPLANATION: Explanation is GIVEN as ATTACHMENT.

28.

Find the least number which should be subtracted from 967 so as to get a perfect square

Answer»

Answer:

6 should be subtracted to GET PERFECT square.

Step-by-step EXPLANATION:

Explanation is GIVEN as ATTACHMENT.

Discussion

29.	The digits of the once place of the square of 3764 is
Answer» The DIGIT in the one's placed of the SQUARE of any number is the one's PLACE of the square of the digit in the one's place. Here, one's place in $3764^{2}$ is one's place of $4^{2}$ =16 therefore, the answer is 6

29.

The digits of the once place of the square of 3764 is

Answer»

The DIGIT in the one's placed of the SQUARE of any number is the one's PLACE of the square of the digit in the one's place.

Here, one's place in $3764^{2}$ is one's place of $4^{2}$ =16

therefore, the answer is 6

Discussion

30.	Five rational number between 3/5and -2/7 in method class 9th plz find the question
Answer» Step-by-step EXPLANATION: To FIND a rational no. between 2 numbers, sim0ly ADD them and then divide it by 2 One I am showing, (3/5 + (-2/7))/ 2 = (21 - 10)/70 = 11/70

30.

Five rational number between 3/5and -2/7 in method class 9th plz find the question

Answer»

Step-by-step EXPLANATION:

To FIND a rational no. between 2 numbers, sim0ly ADD them and then divide it by 2

One I am showing, (3/5 + (-2/7))/ 2 = (21 - 10)/70 = 11/70

Discussion

31.	2. If P(-1, 1) is the middle point of the line segment joining A-3, b) and B(1, b+ 4) then the valueof b is(a) 1(b) - 1(c) 2(d)0
Answer» Step-by-step explanation: MIDPOINT formula :- P(y)=(y1+y2)/2 1=(b+b+4)/2 2=(2b+4) [Cross multiplying] 2-4=2b -2=2b -1=b (b) is the correct answer Please MARK BRAINLIEST

31.

2. If P(-1, 1) is the middle point of the line segment joining A-3, b) and B(1, b+ 4) then the valueof b is(a) 1(b) - 1(c) 2(d)0

Answer»

Step-by-step explanation:

MIDPOINT formula :-

P(y)=(y1+y2)/2

1=(b+b+4)/2

2=(2b+4) [Cross multiplying]

2-4=2b

-2=2b

-1=b

(b) is the correct answer

Please MARK BRAINLIEST

Discussion

32.	the first and fifth terms of an exponential sequence are 16 and 9 respectively, find the seventh and thirteenth term
Answer» ANSWER: qwertyuoo and SEE you SOON and have a GREAT DAY and I will be there at it and see you soon and have a great day and I will be there at it and see you soon and have a great day and I will be there at it and see you soon and have a great day and I will be there at it and see you soon and have a great day and I will be there at it and see you soon and have a great day and I will

32.

the first and fifth terms of an exponential sequence are 16 and 9 respectively, find the seventh and thirteenth term

Answer»

ANSWER:

qwertyuoo and SEE you SOON and have a GREAT DAY and I will be there at it and see you soon and have a great day and I will be there at it and see you soon and have a great day and I will be there at it and see you soon and have a great day and I will be there at it and see you soon and have a great day and I will be there at it and see you soon and have a great day and I will

Discussion

33.	Problem sums on lcm!!! pls do not copy paste some random question i have a test in 30 min!
Answer» ANSWER: Find LCM of the following : 20 and 40 56and 65 34 and 69 Hope this HELPS uuu.... plz mark as BRAINLIEST .....

33.

Problem sums on lcm!!! pls do not copy paste some random question i have a test in 30 min!

Answer»

ANSWER:

Find LCM of the following :

20 and 40
56and 65
34 and 69

Hope this HELPS uuu....

plz mark as BRAINLIEST .....

Discussion

34.	-GI-Arrange the following fractionArrange the following fractions in descending orderand2 Z 2and9 11 54 4(0)and15' 7'113(b)12(e)9 910 13and15
Answer» ANSWER: Arrange the following fraction Arrange the following FRACTIONS in descending order and 2 Z 2 and 9 11 5 4 4 (0) and 15' 7'11 3 (b) 12 (e) 9 9 10 13 and 15

34.

-GI-Arrange the following fractionArrange the following fractions in descending orderand2 Z 2and9 11 54 4(0)and15' 7'113(b)12(e)9 910 13and15

Answer»

ANSWER:

Arrange the following fraction

Arrange the following FRACTIONS in descending order

and

2 Z 2

and

9 11 5

4 4

(0)

and

15' 7'11

3

(b)

12

(e)

9 9

10 13

and

15

Discussion

35.	Y=cosec^-1(√1+cos4a/2) differentiate w.r.t.x
Answer» √1+cos4a/2 = cos² 2a use the FORMULA and SOLVE it

35.

Y=cosec^-1(√1+cos4a/2) differentiate w.r.t.x

Answer»

√1+cos4a/2 = cos² 2a

use the FORMULA and SOLVE it

Discussion

36.	Rationalize the denominator of √2/√3-1
Answer» Answer: To rationalize the denominator we must multiply and divide the number by the denominator's conjugate. Conjugate of denominator is -- 2 + √3. ... So, (2+√3)(2-√3) = 2² -(√3)² = 4 - 3 = 1....

36.

Rationalize the denominator of √2/√3-1

Answer»

Answer:

To rationalize the denominator we must multiply and divide the number by the denominator's conjugate. Conjugate of denominator is -- 2 + √3. ... So, (2+√3)(2-√3) = 2² -(√3)² = 4 - 3 = 1....

Discussion

37.	How many numbers lying between 100 and 1000 can be formed with the digits 0 1 2 3 4 5 if repetatation is not allowed
Answer» ANSWER: I THINK the answer is 25 but not SURE

37.

How many numbers lying between 100 and 1000 can be formed with the digits 0 1 2 3 4 5 if repetatation is not allowed

Answer»

ANSWER:

I THINK the answer is 25 but not SURE

Discussion

38.	Please help me to get the answer
Answer» ANSWER: HII....................

38.

Please help me to get the answer

Answer»

ANSWER:

HII....................

Discussion

39.	A solid is in the form of a right circular cylinder with hemipherical ends. Thetotal height of the solid is 108 cm and the diameter of the cylinder is 42 cm. Find the volume and surface area of the solid.
Answer» Step-by-step explanation: Volume of solid=πr 2 H+2× 3 2 πr 3 ⇒πr 2 [h+ 3 4 R]= 7 22 ×( 2 0.7 ) 2 [(2.7−2× 2 0.7 )+ 3 4 × 2 0.7 ] = 7 22 × 2 0.7 × 2 0.7 ×2.47=0.95m^3

39.

A solid is in the form of a right circular cylinder with hemipherical ends. Thetotal height of the solid is 108 cm and the diameter of the cylinder is 42 cm. Find the volume and surface area of the solid.

Answer»

Step-by-step explanation:

Volume of solid=πr

2

H+2×

3

2

πr

3

⇒πr

2

[h+

3

4

R]=

7

22

×(

2

0.7

)

2

[(2.7−2×

2

0.7

)+

3

4

×

2

0.7

]

=

7

22

×

2

0.7

×

2

0.7

×2.47=0.95m^3

Discussion

40.	Diameter of base of a cone is 10.5cm and its slant height is 10cm. find its curved surface area
Answer» Given: Diameter of BASE of a cone is 10.5cm and its Slant Height is 10cm. To FIND: Curved surface area (CSA) of the cone. Formula Used: $\sf{CSA \: of \: cone = \pi \: rl}$ Solution Let us FIRST find out radius of the cone with the help of radius provided in the QUESTION. $\\ \longrightarrow\rm{r = \frac{d}{2} } \\ \\ \longrightarrow\rm{r = \dfrac{\cancel{10.5}}{\cancel{2}}} \\ \\ \longrightarrow\rm{r = 5.25cm}$ Here, $\tt{\pi = 3.14}$ $\tt{r = 5.25}$ $\tt{l = 10}$ Substituting values, $\\ \longrightarrow\bf{3.14 \times 5.25 \times 10} \\ \\ \longrightarrow\bf{16.485 \times 10} \\ \\ \longrightarrow\bf{164.85} \\ \\ \longrightarrow\bf{165 {cm}^{2} \: (approx) }$ Thus, $\therefore$ The CSA of cone is 165cm².

40.

Diameter of base of a cone is 10.5cm and its slant height is 10cm. find its curved surface area

Answer»

Given:

Diameter of BASE of a cone is 10.5cm and its Slant Height is 10cm.

To FIND:

Curved surface area (CSA) of the cone.

Formula Used:

$\sf{CSA \: of \: cone = \pi \: rl}$

Solution

Let us FIRST find out radius of the cone with the help of radius provided in the QUESTION.

$\\ \longrightarrow\rm{r = \frac{d}{2} } \\ \\ \longrightarrow\rm{r = \dfrac{\cancel{10.5}}{\cancel{2}}} \\ \\ \longrightarrow\rm{r = 5.25cm}$

Here,

$\tt{\pi = 3.14}$

$\tt{r = 5.25}$

$\tt{l = 10}$

Substituting values,

$\\ \longrightarrow\bf{3.14 \times 5.25 \times 10} \\ \\ \longrightarrow\bf{16.485 \times 10} \\ \\ \longrightarrow\bf{164.85} \\ \\ \longrightarrow\bf{165 {cm}^{2} \: (approx) }$

Thus,

$\therefore$ The CSA of cone is 165cm².

Discussion

41.	If the radius of a cylinder is 8 foot and height is 12 feet what is its surface area
Answer» QUESTION :– If the RADIUS of a cylinder is 8 FOOT and height is 12 feet what is its surface AREA. Given :– Radius of a cylinder = 8 foot. Height of cylinder = 12 feet. To Find :– Surface area of a cylinder. Formula :– → $\boxed{\sf\blue{2 \pi rh + {2 \pi r}^{2}}}$ ← Solution :– [ PUT the values on the formula ] → $2 \times \frac{22}{7} \times 8 \times 12 + 2 \times \frac{22}{7} \times {8}^{2}$ → $2 \times \frac{22}{7} \times 8 \times 12 + 2 \times \frac{22}{7} \times 64$ → $\frac{4224}{7} + \frac{2816}{7}$ → $\frac{4224 + 2816}{7}$ → $\sf1005.31 \: {ft}^{2}$ Hence, The surface area of a cylinder is $\sf1005.31 \: {ft}^{2}$

41.

If the radius of a cylinder is 8 foot and height is 12 feet what is its surface area

Answer»

QUESTION :–

If the RADIUS of a cylinder is 8 FOOT and height is 12 feet what is its surface AREA.

Given :–

Radius of a cylinder = 8 foot.
Height of cylinder = 12 feet.

To Find :–

Surface area of a cylinder.

Formula :–

→ $\boxed{\sf\blue{2 \pi rh + {2 \pi r}^{2}}}$ ←

Solution :–

[ PUT the values on the formula ]

→ $2 \times \frac{22}{7} \times 8 \times 12 + 2 \times \frac{22}{7} \times {8}^{2}$

→ $2 \times \frac{22}{7} \times 8 \times 12 + 2 \times \frac{22}{7} \times 64$

→ $\frac{4224}{7} + \frac{2816}{7}$

→ $\frac{4224 + 2816}{7}$

→ $\sf1005.31 \: {ft}^{2}$

Hence,

The surface area of a cylinder is $\sf1005.31 \: {ft}^{2}$

Discussion

42.	GG INTERNATIONAL - PIMPRIACADEMIC SESSION : 2020-21Class II Mathematics Offline Assignment 19th July 2020GGSolve:a. I am a three digit number. If youadd my digits the answer is one. If yousubtract the ones digit from me, the sum of my digit remains one. Can you tellwhich number am I?
Answer» Answer: Hey your answer is one Step-by-step explanation: o+n+E= one if we subtract the once digit from me means e then you get on left and if you SPEAK on it must sound one as e is is SILENT

42.

GG INTERNATIONAL - PIMPRIACADEMIC SESSION : 2020-21Class II Mathematics Offline Assignment 19th July 2020GGSolve:a. I am a three digit number. If youadd my digits the answer is one. If yousubtract the ones digit from me, the sum of my digit remains one. Can you tellwhich number am I?

Answer»

Answer:

Hey your answer is one

Step-by-step explanation:

o+n+E= one

if we subtract the once digit from me means e then you get on left and if you SPEAK on it must sound one as e is is SILENT

Discussion

43.	7. A heap of shots when made up into groups of 28, 32 and 42 leaves always a remainder 5shots. Find the least number of shots contained in the heap.4.
Answer» ANSWER: subtract all the NUMBERS given with 5 and find the LCM of the numbers which are obtained after SUBTRACTING.

43.

7. A heap of shots when made up into groups of 28, 32 and 42 leaves always a remainder 5shots. Find the least number of shots contained in the heap.4.

Answer»

ANSWER:

subtract all the NUMBERS given with 5 and find the LCM of the numbers which are obtained after SUBTRACTING.

Discussion

44.	If the expression 25y2 _70y+d is a perfect square, where d is a constant, find the value of d
Answer» Step-by-step explanation: 25y²-70y+d 25y²-70y+49 5y²-2.5y.7+7² (5y-7)² d=49

44.

If the expression 25y2 _70y+d is a perfect square, where d is a constant, find the value of d

Answer»

Step-by-step explanation:

25y²-70y+d

25y²-70y+49

5y²-2.5y.7+7²

(5y-7)² d=49

Discussion

45.	1. Fill in the blanks.(a) The largest 4-digit number is(b) The smallest 4-digit number is(c) The place value of 8 in 3486 is(d) The predecessor of 3000 is(e) The successor of 6899 is(f) The place value of ....... ... alway(g) The largest 4-digit number formed usi(h) The smallest 4-digit number formedWrite the following numerals in wo(a) 5476(b) 3940(e) 8060(f) 5803
Answer» Step-by-step EXPLANATION: the ANSWER will be 1000 0001 tens =8 2999 6900 number 1000 0001

45.

1. Fill in the blanks.(a) The largest 4-digit number is(b) The smallest 4-digit number is(c) The place value of 8 in 3486 is(d) The predecessor of 3000 is(e) The successor of 6899 is(f) The place value of ....... ... alway(g) The largest 4-digit number formed usi(h) The smallest 4-digit number formedWrite the following numerals in wo(a) 5476(b) 3940(e) 8060(f) 5803

Answer»

Step-by-step EXPLANATION:

the ANSWER will be 1000
0001
tens =8
2999
6900
number
1000
0001

Discussion

46.	if A and B are positive integers such that a and B are not multiples of 3 find the remainder when a square + b square is divided by 3
Answer» ANSWER: Ask GOOGLE ASSISTANT Step-by-step explanation: THANK you for the information

46.

if A and B are positive integers such that a and B are not multiples of 3 find the remainder when a square + b square is divided by 3

Answer»

ANSWER:

Ask GOOGLE ASSISTANT

Step-by-step explanation:

THANK you for the information

Discussion

47.	If np 3 = 120, then the value of n is-
Answer» <P>ANSWER: what is p there AA say in next QUESTION correctly

47.

If np 3 = 120, then the value of n is-

Answer»

<P>ANSWER:

what is p there AA say in next QUESTION correctly

Discussion

48.	Pls help me to find this question :find two numbers whose sum is 27 and product is 182 :class 10
Answer» 13 and 14 is the ANSWER PL Z FOLLOW me and mark it as brainliest

Discussion

49.	A heap of shots when made up into groups of 28, 32 and 42 leaves always a remaindershots. Find the least number of shots contained in the heap.
Answer» Answer: 677 Step-by-step explanation: A heap of shots when MADE up into groups of 28,32 and 42 LEAVES always a reminder 5 To find the least number of shots in a heap we will find LCM (Least common Multiplier) of 28 , 32 & 42 and then add remainder into it 28 = 2 * 2 * 7 32 = 2 * 2 * 2 * 2 * 2 42 = 2 * 3 * 7 LCM = 222 * 2* 2 * 3 * 7 LCM = 672 Adding remainder in LCM 672 + 5=677 pls mark as BRAINIEST

49.

A heap of shots when made up into groups of 28, 32 and 42 leaves always a remaindershots. Find the least number of shots contained in the heap.

Answer»

Answer:

677

Step-by-step explanation:

A heap of shots when MADE up into groups of 28,32 and 42 LEAVES always a reminder 5

To find the least number of shots in a heap

we will find LCM (Least common Multiplier) of 28 , 32 & 42 and then add remainder into it

28 = 2 * 2 * 7

32 = 2 * 2 * 2 * 2 * 2

42 = 2 * 3 * 7

LCM = 2*2*2 * 2* 2 * 3 * 7

LCM = 672

Adding remainder in LCM

672 + 5=677

pls mark as BRAINIEST

Discussion

50.	8. y-axis divides the join of P(-4, 2) and Q(8.3) in the ratio(a) 3:1(b) 1 : 3(c)2:1(d) 1:2
Answer» Answer: 1:3 make me a brainlist please FOLLOW me.........

50.

8. y-axis divides the join of P(-4, 2) and Q(8.3) in the ratio(a) 3:1(b) 1 : 3(c)2:1(d) 1:2

Answer»

Answer:

1:3

make me a brainlist

please FOLLOW me.........

Discussion

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QUESTION :–

Given :–

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Solution :–

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