332354 + Interview Questions in Secondary School in Math

1.	Please help me how 441 came there, thank you for helping me by giving answer,❤but I am little bit confuse. Now please help by explaining how that came please!!
Answer» ANSWER: R 2 = 1386CM 2 /7× 22 Mark me as BRAINLIEST

1.

Please help me how 441 came there, thank you for helping me by giving answer,❤but I am little bit confuse. Now please help by explaining how that came please!!

Answer»

ANSWER:

R 2 = 1386CM 2 /7× 22

Mark me as BRAINLIEST

Discussion

2.	. In a class of 50 students, 40 students were passed in an examination. Percentage of passing is ---------percentage*
Answer» Step-by-step EXPLANATION: *LET* *the* *percentage of passing* *students* = x *then* *the* *PERCENTAGE* of *students* *passed* = (x/100)*50 = 40 x/2 = 40 x = 80%

2.

. In a class of 50 students, 40 students were passed in an examination. Percentage of passing is ---------percentage*

Answer»

Step-by-step EXPLANATION:

LET the percentage of passing students = x

then the PERCENTAGE of students passed = (x/100)*50 = 40

x/2 = 40

x = 80%

Discussion

3.	The sum of two rational no. is 9/11.If one no. is 7/22 find the other
Answer» I think so this the CORRECT answer main motive to help people I HOPE you are satisfied with the answer please FOLLOW me please follow me BTS live FOREVER and ever

3.

The sum of two rational no. is 9/11.If one no. is 7/22 find the other

Answer»

I think so this the CORRECT answer

main motive to help people

I HOPE you are satisfied with the answer

please FOLLOW me

please follow me

BTS live FOREVER and ever

Discussion

4.	Find two rational numbers between 3/7 and 4/3
Answer» ANSWER: Here is your Answer 3/21 < 10/21 < 1/2 < 4/3 Step-by-step explanation: 3/7 & 4/3 Make the DENOMINATOR sane L.C.M of 7 & 3 is 21 9/21 & 28/21 = 3/21 < 10/21 < 1/2 < 4/3

4.

Find two rational numbers between 3/7 and 4/3

Answer»

ANSWER:

Here is your Answer

3/21 < 10/21 < 1/2 < 4/3

Step-by-step explanation:

3/7 & 4/3

Make the DENOMINATOR sane

L.C.M of 7 & 3 is 21

9/21 & 28/21

= 3/21 < 10/21 < 1/2 < 4/3

Discussion

5.	1/2x+1/3y=2, 1/3x+1/2y=13/6
Answer» ANSWER: HII, I HOPE that you all are in HOME and are SAFE

5.

1/2x+1/3y=2, 1/3x+1/2y=13/6

Answer»

ANSWER:

HII, I HOPE that you all are in HOME and are SAFE

Discussion

6.	গণিতঅষ্টম শ্রেণিচর বহু পছন্দভিত্তিক প্রশ্নের উত্তর দাও :23-এর মধ্যে মূলদ সংখ্যা আছে।7(c) পাঁচটি(d) অসংখ্য(একটি(b) দুটিনীচের কোন ক্ষেত্রে সন্নিহিত কোণগুলি পরস্পর সম্পূরক কোণ?a 35°, 45°((c) 70°, 20°স্থান পূরণ করাে :(ব্য‘১৫)135°, 45°70, 120পাই চিত্রে এক-একটি বৃত্তকলা তথ্যের এক-একটি অংশকে বােঝায় এবং বৃত্তকলার মাপ ওই তথ্যের অংশের পরিম\|\|না ভাগ অঙ্কে ভাজক (a + 2a -1), ভাগফল (5a – 14) এবং ভাগশেষ (35a -17) হলে, ভাজ্য কত হবে
Answer» ANSWER: WRITE in ENGLISH can't UNDERSTAND

6.

গণিতঅষ্টম শ্রেণিচর বহু পছন্দভিত্তিক প্রশ্নের উত্তর দাও :23-এর মধ্যে মূলদ সংখ্যা আছে।7(c) পাঁচটি(d) অসংখ্য(একটি(b) দুটিনীচের কোন ক্ষেত্রে সন্নিহিত কোণগুলি পরস্পর সম্পূরক কোণ?a 35°, 45°((c) 70°, 20°স্থান পূরণ করাে :(ব্য‘১৫)135°, 45°70, 120পাই চিত্রে এক-একটি বৃত্তকলা তথ্যের এক-একটি অংশকে বােঝায় এবং বৃত্তকলার মাপ ওই তথ্যের অংশের পরিম||না ভাগ অঙ্কে ভাজক (a + 2a -1), ভাগফল (5a – 14) এবং ভাগশেষ (35a -17) হলে, ভাজ্য কত হবে

Answer»

ANSWER:

7.	✓6 is the polynomial of degree
Answer» Answer: root 6 is the polynomial of DEGREE Step-by-step EXPLANATION: because polynomial of degree is 0

✓6 is the polynomial of degree

Answer»

Answer:

root 6 is the polynomial of DEGREE

Step-by-step EXPLANATION:

because polynomial of degree is 0

Discussion

8.	2х -3y/4=35x = 2y+7
Answer» Step-by-step EXPLANATION: *HOPE THIS HELP YOU* *MARK* *ME AS BRAINLIST* .............

8.

2х -3y/4=35x = 2y+7

Answer»

Step-by-step EXPLANATION:

HOPE THIS HELP YOU

MARK ME AS BRAINLIST

.............

Discussion

9.	Send the photo of two irrational numbers between 2 and 2.5
Answer» A GREAT DAY PLZ MARK as BRAINLIEST

Discussion

10.	Solve the pair of linear equation by elimination method 4x-3y-25=0,3x+4y-25=0
Answer» ANSWER: The VALUE of X is 7 and the value of y is 1

10.

Solve the pair of linear equation by elimination method 4x-3y-25=0,3x+4y-25=0

Answer»

ANSWER:

The VALUE of X is 7 and the value of y is 1

Discussion

11.	Two adjacent sides of rectangle are 5 x+6 and 2 x + 66. Find its area if its perimeter is 186 cm. *
Answer» → To Find : The area of the rectangle ... → Given : Given ,the adjacent sides of the triangle are : $\mathtt{5x + 6}$ $\mathtt{2x + 66}$ Perimeter of the rectangle : $\mathtt{186 cm}$ → We KNOW : Area of the rectangle : $\boxed{Area = lenth \times <klux>BREADTH</klux>}$ Perimeter of the rectangle : $\boxed{Perimeter = 2(<klux>LENGTH</klux> + Breadth)}$ → Concept : Let the given side i.e (5x + 6) and (2x + 66) be the length and breadth of the rectangle ... L = 2x + 66 B = 5x + 6 So , by the given Perimeter and taken sides ,we can find the original length and breadth of the rectangle . ATF (According to the Formula) $\mathtt{2(l + b) = P_{r}}$ Where, l = length b = Breadth P = perimeter Putting the value in the formula ,we get : $\mathtt{\Rightarrow 2(2x + 66 + 5x + 6) = 186}$ $\mathtt{\Rightarrow 2(7x + 72) = 186}$ $\mathtt{\Rightarrow 14x + 144 = 186}$ $\mathtt{\Rightarrow 14x = 186 - 144}$ $\mathtt{\Rightarrow 14x = 42}$ $\mathtt{\Rightarrow x = \dfrac{42}{14}}$ $\mathtt{\Rightarrow x = \cancel{\dfrac{42}{14}}}$ $\mathtt{\Rightarrow x = 3}$ Putting the value of x in the length and breadth, we get : Length = 2x + 66 » 2(3) + 66 » 6 + 66 » 72 Breadth = 5x + 6 » 5(3) + 6 »15 + 6 »21 Hence ,the length of the rectangle is 72 cm and the breadth of the rectangle is 23 cm. → Solution : Length = 72 cm Breadth = 21 cm Area of rectangle : $\mathtt{Length \times breadth}$ Putting the value in the formula, We Get :q $\mathtt{\Rightarrow 72 \times 21}$ $\mathtt{\Rightarrow 1512 cm^{2}}$ Hence ,the area of the rectangle is 1512 cm ². → Additional information : Area of square = (side)² Surface area of square = 6(a)² Lateral surface area of square = 4(a)² Surface area of rectangle = 2(lb + bh + lh) Surface area of cuboid = 2(l + b) Where , l = length b = breadth a = side h = Height

11.

Two adjacent sides of rectangle are 5 x+6 and 2 x + 66. Find its area if its perimeter is 186 cm. *

Answer»

→ To Find :

The area of the rectangle ...

→ Given :

Given ,the adjacent sides of the triangle are :

$\mathtt{5x + 6}$
$\mathtt{2x + 66}$

Perimeter of the rectangle :

$\mathtt{186 cm}$

→ We KNOW :

Area of the rectangle :

$\boxed{Area = lenth \times <klux>BREADTH</klux>}$

Perimeter of the rectangle :

$\boxed{Perimeter = 2(<klux>LENGTH</klux> + Breadth)}$

→ Concept :

Let the given side i.e (5x + 6) and (2x + 66) be the length and breadth of the rectangle ...

L = 2x + 66
B = 5x + 6

So , by the given Perimeter and taken sides ,we can find the original length and breadth of the rectangle .

ATF (According to the Formula)

$\mathtt{2(l + b) = P_{r}}$

Where,

l = length
b = Breadth
P = perimeter

Putting the value in the formula ,we get :

$\mathtt{\Rightarrow 2(2x + 66 + 5x + 6) = 186}$

$\mathtt{\Rightarrow 2(7x + 72) = 186}$

$\mathtt{\Rightarrow 14x + 144 = 186}$

$\mathtt{\Rightarrow 14x = 186 - 144}$

$\mathtt{\Rightarrow 14x = 42}$

$\mathtt{\Rightarrow x = \dfrac{42}{14}}$

$\mathtt{\Rightarrow x = \cancel{\dfrac{42}{14}}}$

$\mathtt{\Rightarrow x = 3}$

Putting the value of x in the length and breadth, we get :

Length = 2x + 66

» 2(3) + 66

» 6 + 66

» 72

Breadth = 5x + 6

» 5(3) + 6

»15 + 6

»21

Hence ,the length of the rectangle is 72 cm and the breadth of the rectangle is 23 cm.

→ Solution :

Length = 72 cm
Breadth = 21 cm

Area of rectangle :

$\mathtt{Length \times breadth}$

Putting the value in the formula, We Get :q

$\mathtt{\Rightarrow 72 \times 21}$

$\mathtt{\Rightarrow 1512 cm^{2}}$

Hence ,the area of the rectangle is 1512 cm ².

→ Additional information :

Area of square = (side)²

Surface area of square = 6(a)²

Lateral surface area of square = 4(a)²

Surface area of rectangle = 2(lb + bh + lh)

Surface area of cuboid = 2(l + b)

Where ,

l = length

b = breadth

a = side

h = Height

Discussion

12.	Prove:-(sin A + cosec A)^2 + (cos A + sec A)^2 = tan^2 A + cot 2 A
Answer» Step-by-step explanation: 1+tan²A=sec²A 1+cot²A=cosec²A sin²A+cos²A=1 cosecA=\dfrac{1}{sinA} sinA 1 secA=\dfrac{1}{COSA} cosA 1 \textbf{Question}Question : (SIN A + cosec A)^2 + (cos A + sec A)^2 = 7 + tan^2A + cot^2A \textbf{ANSWER}Answer : =(sinA+cosecA)²+(cosA+secA)² =sin²A+cosec²A+2sinAcosecA+cos²A+sec²A+2cosAsecA =sin²A+cos²A+cosec²A+sec²A+2sinA×1/sinA+2cosA×1/cosA =1+cosec²A+sec²A+2+2 =5+(1+cot²A)+(1+tan²A) =7+tan²A+cot²A

12.

Prove:-(sin A + cosec A)^2 + (cos A + sec A)^2 = tan^2 A + cot 2 A

Answer»

Step-by-step explanation:

1+tan²A=sec²A

1+cot²A=cosec²A

sin²A+cos²A=1

cosecA=\dfrac{1}{sinA}

sinA

1

secA=\dfrac{1}{COSA}

cosA

1

\textbf{Question}Question : (SIN A + cosec A)^2 + (cos A + sec A)^2 = 7 + tan^2A + cot^2A

\textbf{ANSWER}Answer :

=(sinA+cosecA)²+(cosA+secA)²

=sin²A+cosec²A+2sinAcosecA+cos²A+sec²A+2cosAsecA

=sin²A+cos²A+cosec²A+sec²A+2sinA×1/sinA+2cosA×1/cosA

=1+cosec²A+sec²A+2+2

=5+(1+cot²A)+(1+tan²A)

=7+tan²A+cot²A

Discussion

13.	Q.2 If each observation of the data is increased by 5, then the new mean
Answer» ANSWER: NEW MEAN = INITIAL mean + 5

13.

Q.2 If each observation of the data is increased by 5, then the new mean

Answer»

ANSWER:

NEW MEAN = INITIAL mean + 5

Discussion

14.	256 upon 81 raise to the -5 upon 4
Answer» $\green{\bold{\underline{ ☆ UPSC-ASPIRANT ☆} }}$ $\red{\bold{\underline{\underline{QUESTION:-}}}}$ Q:- ${ (\frac{256}{81}) }^{ \frac{ - 5}{6} }$ $\huge\tt\underline\blue{ANSWER }$ ------>>>>Here is your answer<<<<-------- ${( \frac{81}{256} )}^{ \frac{6}{5} }$ ❱ ❱ ❱ SEE in the picture above ATTACH for complete solution STEP by step:- HOPE IT HELPS YOU.. _____________________ THANKYOU:)

14.

256 upon 81 raise to the -5 upon 4

Answer»

$\green{\bold{\underline{ ☆ UPSC-ASPIRANT ☆} }}$

$\red{\bold{\underline{\underline{QUESTION:-}}}}$

Q:-

${ (\frac{256}{81}) }^{ \frac{ - 5}{6} }$

$\huge\tt\underline\blue{ANSWER }$

------>>>>Here is your answer<<<<--------

${( \frac{81}{256} )}^{ \frac{6}{5} }$

❱ ❱ ❱ SEE in the picture above ATTACH for complete solution STEP by step:-

HOPE IT HELPS YOU..

_____________________

THANKYOU:)

Discussion

15.	2. A train travels a distance of 1000 km 400 m in 15whole1/2 hours 30 minutesthe average speed of the train ?
Answer» ANSWER: I didn't GOT the que Step-by-step EXPLANATION: PLZ WRITE it again

15.

2. A train travels a distance of 1000 km 400 m in 15whole1/2 hours 30 minutesthe average speed of the train ?

Answer»

ANSWER:

I didn't GOT the que

Step-by-step EXPLANATION:

PLZ WRITE it again

Discussion

16.	Q.22) Divide the polynomial 3x^4 -4x^3 -3x-1 by (x-1).
Answer» Step-by-step EXPLANATION: x=1 p(1)=3(1)^4-4(1)^3-3(1)-1 =3-4-3-1=-5

16.

Q.22) Divide the polynomial 3x^4 -4x^3 -3x-1 by (x-1).

Answer»

Step-by-step EXPLANATION:

x=1

p(1)=3(1)^4-4(1)^3-3(1)-1

=3-4-3-1=-5

Discussion

17.	Centroid of a triangle is obtained by drawing.......?
Answer» Step-by-step EXPLANATION: The centroid of a triangle is the point where its MEDIANS intersect. It works by constructing the PERPENDICULAR bisectors of any two sides to find their midpoints. Then the medians are DRAWN, which intersect at the centroid. The centroid of a triangle is the point where its medians intersect. It works by constructing the perpendicular bisectors of any two sides to find their midpoints. Then the medians are drawn, which intersect at the centroid.PLZ MARK AS BRAINLIEST.

17.

Centroid of a triangle is obtained by drawing.......?

Answer»

Step-by-step EXPLANATION:

The centroid of a triangle is the point where its MEDIANS intersect. It works by constructing the PERPENDICULAR bisectors of any two sides to find their midpoints. Then the medians are DRAWN, which intersect at the centroid.

The centroid of a triangle is the point where its medians intersect. It works by constructing the perpendicular bisectors of any two sides to find their midpoints. Then the medians are drawn, which intersect at the centroid.PLZ MARK AS BRAINLIEST.

Discussion

18.	Sum of p th term of an ap as the sum of term are equal find sum of p + 2 term
Answer» Answer: idk Jack of sites you LATER extra money to buy a HOUSE in DIFFERENT parts to GET the email address to R tu r et tu d to get to the most popular galleries or museums in this email address will not be the

18.

Sum of p th term of an ap as the sum of term are equal find sum of p + 2 term

Answer»

Answer:

idk Jack of sites you LATER extra money to buy a HOUSE in DIFFERENT parts to GET the email address to R tu r et tu d to get to the most popular galleries or museums in this email address will not be the

Discussion

19.	Send the photo of irrational numbers between 2 and 2.5
Answer» Step-by-step EXPLANATION: In my THINKING 5 is the ANSWER

19.

Send the photo of irrational numbers between 2 and 2.5

Answer»

Step-by-step EXPLANATION:

In my THINKING 5 is the ANSWER

Discussion

20.	7.y and z are vertically oppositeangle. If y=65° then z=?
Answer» Answer: we know that VERTICALLY opposite ANGLES are equal. So,y=z=65°. if my answer HELPS you then,please MARK me as brainlist. thanku...!

20.

7.y and z are vertically oppositeangle. If y=65° then z=?

Answer»

Answer:

we know that VERTICALLY opposite ANGLES are equal.

So,y=z=65°.

if my answer HELPS you then,please MARK me as brainlist.

thanku...!

Discussion

21.	6+778÷5rtyugfxchkogseexcjkursdhhcYdzfuxkcuhccuzydjxghvjsugokgchheuuehehdhdhrbrhyfujenwvgxyuieoshtdgdvbmzhzgdfshhshshhdhdhvdgu
Answer» I PROMISE I WILL FOLLOW YOU IF YOU MARK AS BRAINLIST THANKS FOR QUESTION YOUR ANSWER IS 161.6

21.

6+778÷5rtyugfxchkogseexcjkursdhhcYdzfuxkcuhccuzydjxghvjsugokgchheuuehehdhdhrbrhyfujenwvgxyuieoshtdgdvbmzhzgdfshhshshhdhdhvdgu

Answer»

I PROMISE I WILL FOLLOW YOU IF YOU MARK AS BRAINLIST

THANKS FOR QUESTION

YOUR ANSWER IS

161.6

Discussion

22.	√15-√14,√23-√22 which is smaller
Answer» ANSWER: √23-√22 Step-by-step EXPLANATION: MARK as BRAINY

22.

√15-√14,√23-√22 which is smaller

Answer»

ANSWER:

√23-√22

Step-by-step EXPLANATION:

MARK as BRAINY

Discussion

23.	Is sin A/ cos A equal to tan A?
Answer» ANSWER: YES you are RIGHT......

23.

Is sin A/ cos A equal to tan A?

Answer»

ANSWER:

YES you are RIGHT......

Discussion

24.	Roushan went for walk around square park of each side sokm .if she takes 4 rounds how much distance does she cover
Answer» Answer: *Distance* covered by ONE round (Perimeter) = 50×4 = 200km Distance COVERED by four rounds** = 200×4 = 800km Please mark as brainliest.

24.

Roushan went for walk around square park of each side sokm .if she takes 4 rounds how much distance does she cover

Answer»

Answer:

Distance covered by ONE round (Perimeter) = 50×4 = 200km

Distance COVERED by four rounds = 200×4 = 800km

Please mark as brainliest.

Discussion

25.	The product of the two given numbers is 1920 and LCM of these numbers is 120. Find there HCF.
Answer» ANSWER: The HCF of the NUMBERS is 16

25.

The product of the two given numbers is 1920 and LCM of these numbers is 120. Find there HCF.

Answer»

ANSWER:

The HCF of the NUMBERS is 16

Discussion

26.	Find all the two digit numbers,whose digit in the tens place is twice the digit in the units place .
Answer» Step-by-step explanation: LET 10y+x be the digit number. It is given that the ten's PLACE is TWICE the digit at unit's place. i.e. y=2x ------(1) Also, (10y+x)+(10x+y)=66 10y+x+10x+y=66 11y+11x=66 ⇒x+y=6 ⇒x+2x=6 [from (1)] ⇒3x=6 ⇒x=2 Form (1), y=2(2)=4 The required number =10(4)+2=42

26.

Find all the two digit numbers,whose digit in the tens place is twice the digit in the units place .

Answer»

Step-by-step explanation:

LET 10y+x be the digit number.

It is given that the ten's PLACE is TWICE the digit at unit's

place.

i.e. y=2x ------(1)

Also, (10y+x)+(10x+y)=66

10y+x+10x+y=66

11y+11x=66

⇒x+y=6

⇒x+2x=6 [from (1)]

⇒3x=6

⇒x=2

Form (1), y=2(2)=4

The required number =10(4)+2=42

Discussion

27.	A=96 then what a+1(a-1)=a÷3(a÷4)
Answer» ANSWER: They are not equal. ANS. 9215 = 768 Step-by-step EXPLANATION: Q. a+1(a-1)=a÷3(a÷4) Ans. a+1(a-1)=a÷3(a÷4) 96+1(96-1)=96÷3(96÷4) 97×95=32×24 9215=768 Hope it's correct. Please ACKNOWLEDGE me.

27.

A=96 then what a+1(a-1)=a÷3(a÷4)

Answer»

ANSWER:

They are not equal.

ANS. 9215 = 768

Step-by-step EXPLANATION:

Q. a+1(a-1)=a÷3(a÷4)

Ans.

a+1(a-1)=a÷3(a÷4)

96+1(96-1)=96÷3(96÷4)
97×95=32×24
9215=768

Hope it's correct.

Please ACKNOWLEDGE me.

Discussion

28.	Simplify root (1-sin^2 a/tan ^2 a+1)
Answer» ANSWER: here , 1-sin²a/ tan²a +1 = cos²a/ sec²a = cos²a× cos²a = cos⁴x

28.

Simplify root (1-sin^2 a/tan ^2 a+1)

Answer»

ANSWER:

here ,

1-sin²a/ tan²a +1

= cos²a/ sec²a

= cos²a× cos²a

= cos⁴x

Discussion

29.	Set of all even square numbers
Answer» MEANING. INFORMALLY: When you multiply a WHOLE number times itself, the resulting product is called a square number, or a perfect square or simply "a square." So 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, and so on, are all square numbers.

Discussion

30.	If an A.P if d=-2,n=5and an=0,the value of a is
Answer» ANSWER: an = a+( n+1 ) d 0 = a + ( 5+1 ) -2 0 = a+ 6 ×-2 0 = a -12 a =12

30.

If an A.P if d=-2,n=5and an=0,the value of a is

Answer»

ANSWER:

an = a+( n+1 ) d

0 = a + ( 5+1 ) -2

0 = a+ 6 ×-2

0 = a -12

a =12

Discussion

31.	5642+5468= , 5762/8556=
Answer» ANSWER: 1) 11,110. 2) 0.6 Hope it's correct. please ACKNOWLEDGE me.

31.

5642+5468= , 5762/8556=

Answer»

ANSWER:

1) 11,110. 2) 0.6

Hope it's correct.

please ACKNOWLEDGE me.

Discussion

32.	Find the value of A + B, if A3 + B2 = 155.
Answer» ANSWER: A+B=25.833 Steps A3+B2=155 A+B=155/3×2 A+B=155/6 A+B=25.833

32.

Find the value of A + B, if A3 + B2 = 155.

Answer»

ANSWER:

A+B=25.833

Steps

A3+B2=155

A+B=155/3×2

A+B=155/6

A+B=25.833

Discussion

33.	Represent number line.find the rational number between 1/2 and 1/3
Answer» ANSWER: auyeagsscseshcssgiaguspashgsgscwcgvweggegsudfisysfkgdgayeafstusgmdkysyldtahktaylcmhstkystkdktaydysuldktsyldluhhdlydluekyylekul Step-by-step EXPLANATION: hkydtkaktdehsiproydlystdylsi5zktatdktsktsyldlydlurluskt

33.

Represent number line.find the rational number between 1/2 and 1/3

Answer»

ANSWER:

auyeagsscseshcssgiaguspashgsgscwcgvweggegsudfisysfkgdgayeafstusgmdkysyldtahktaylcmhstkystkdktaydysuldktsyldluhhdlydluekyylekul

Step-by-step EXPLANATION:

hkydtkaktdehsiproydlystdylsi5zktatdktsktsyldlydlurluskt

Discussion

34.	Distinguish the properties of a parallelogram and a trapezium
Answer» parellelogram opposite SIDES are PARALLEL and equal to each other adjacent ANGLES are supplementary diagonals BISECT each other trapezium one pair of sides is parallel to each other base angles are equal in isosceles trapezium non parallel sides are equal in isosceles trapezium

34.

Distinguish the properties of a parallelogram and a trapezium

Answer»

parellelogram

opposite SIDES are PARALLEL and equal to each other

adjacent ANGLES are supplementary

diagonals BISECT each other

trapezium

one pair of sides is parallel to each other

base angles are equal in isosceles trapezium

non parallel sides are equal in isosceles trapezium

Discussion

35.	In triangle ABC,BC=AB and angle b=80 degree then find angle a
Answer» Answer: A=50 Step-by-step EXPLANATION: AB=BC it means triangle is Isosceles triangle because its two sides are equal Hence, let angle A & angle C be x as you know the sum of all angles in triangle is 180. 2x+80=180 2x=100 x=50 angle A=x which is equal to 50

35.

In triangle ABC,BC=AB and angle b=80 degree then find angle a

Answer»

Answer:

A=50

Step-by-step EXPLANATION:

AB=BC

it means triangle is Isosceles triangle because its two sides are equal

Hence,

let angle A & angle C be x

as you know the sum of all angles in triangle is 180.

2x+80=180

2x=100

x=50

angle A=x which is equal to 50

Discussion

36.	A grocer buys candies at 10 for rs 8 and sells at 8 for rs 10. Find the fain or loss
Answer» Answer: the answer in gain PROFIT Step-by-step explanation: grocer buys a CANDIES at 10 = ₹ 8 and he sell 8 candies = ₹ 10 we know that , cost of 1 candy = total candies total rupees 1 candy= 10 8 cost of 1 candy = ₹1.25 sell it total candies = 8 cost of 8 candies = 10 cost of 1 candy = total candies total rupees 1 candy = 8/10 1 candy = ₹ 0.8 let, both SIDE toffee = 8 CP =8×1.25 = ₹ 10 SP=8×0.8 = ₹ 6.4 gain = 10- 6.4 gain = ₹ 3.6

36.

A grocer buys candies at 10 for rs 8 and sells at 8 for rs 10. Find the fain or loss

Answer»

Answer:

the answer in gain PROFIT

Step-by-step explanation:

grocer buys a CANDIES at 10 = ₹ 8

and he sell 8 candies = ₹ 10

we know that ,

cost of 1 candy = total candies

total rupees

1 candy= 10

8

cost of 1 candy = ₹1.25

sell it total candies = 8

cost of 8 candies = 10

cost of 1 candy = total candies

total rupees

1 candy = 8/10

1 candy = ₹ 0.8

let, both SIDE toffee = 8

CP =8×1.25

= ₹ 10

SP=8×0.8

= ₹ 6.4

gain = 10- 6.4

gain = ₹ 3.6

Discussion

37.	2. {55/1\|0}x[(63/84)+(24/40)).
Answer» Answer: 4.725 mark as BRAINLIST

37.

2. {55/1|0}x[(63/84)+(24/40)).

Answer»

Answer:

4.725

mark as BRAINLIST

Discussion

38.	Uestion 18. The sum of the zeros of the quadratic polynomial f(t)=k t² + 2 t + 3 k is equal to theirproduct, find the value of k
Answer» ANSWER: ydosyoyxv ydudhdc ydjx

38.

Uestion 18. The sum of the zeros of the quadratic polynomial f(t)=k t² + 2 t + 3 k is equal to theirproduct, find the value of k

Answer»

ANSWER:

ydosyoyxv ydudhdc ydjx

Discussion

39.	Of the two number,4time smaller one is less than 3 times the large byone by 6 ,also the sum of number is great than 6 times there Difference by 5 .find number
Answer» Answer: 59 Step-by-step explanation: LET the two NUMBERS be X(smaller) and y(larger) . We will have the following EQUATIONS : 4x = 3y - 5 4x - 3y = - 5 3y - 4x = 5....... 1) x + y = 6(y - x) + 6 x + y = 6y - 6x + 6 7x - 5y = 6........ 2) Solving 1 and 2 simultaneously. Multiply equation 1 by 5 and equation 2 by 3 we get : 15y - 20x = 25 21x - 15y = 18 Adding the two : x = 43 3y - 4 × 43 = 5 3y - 172 = 5 3y = 177 Y = 177/3 Y = 59

39.

Of the two number,4time smaller one is less than 3 times the large byone by 6 ,also the sum of number is great than 6 times there Difference by 5 .find number

Answer»

Answer:

59

Step-by-step explanation:

LET the two NUMBERS be X(smaller) and y(larger) .

We will have the following EQUATIONS :

4x = 3y - 5

4x - 3y = - 5

3y - 4x = 5....... 1)

x + y = 6(y - x) + 6

x + y = 6y - 6x + 6

7x - 5y = 6........ 2)

Solving 1 and 2 simultaneously.

Multiply equation 1 by 5 and equation 2 by 3 we get :

15y - 20x = 25

21x - 15y = 18

Adding the two :

x = 43

3y - 4 × 43 = 5

3y - 172 = 5

3y = 177

Y = 177/3

Y = 59

Discussion

40.	Find three solution of 3y+4x=0 and x=5
Answer» Step-by-step explanation: 3y+4x5=0 3y+20=0 y=-20/3

40.

Find three solution of 3y+4x=0 and x=5

Answer»

Step-by-step explanation:

3y+4x5=0

3y+20=0

y=-20/3

Discussion

41.	Simplify ( 3 -1 + 6 -1 ) + ( 3/4)-1this all -1 is powers
Answer» ANSWER: we KNOW that a^-1 = 1/a then we have = 1/3 +1/6 + 1/3/4 =1/3+1/6+4/3 =(2+1+8)/6 = 11/6

41.

Simplify ( 3 -1 + 6 -1 ) + ( 3/4)-1this all -1 is powers

Answer»

ANSWER:

we KNOW that a^-1 = 1/a then we have

= 1/3 +1/6 + 1/3/4

=1/3+1/6+4/3

=(2+1+8)/6

= 11/6

Discussion

42.	If sec 4a=2, then the value of A is ?
Answer» ANSWER: SINCE, we can WRITE SEC(4a)=1/cos4a so, = 1/cos4a=2 =cos4a=1/2 = cos4a=cosπ/3 = 4a=π/3 = 12a=π hence, a=π/12 is RIGHT answer.

42.

If sec 4a=2, then the value of A is ?

Answer»

ANSWER:

SINCE, we can WRITE SEC(4a)=1/cos4a

so,

= 1/cos4a=2

=cos4a=1/2

= cos4a=cosπ/3

= 4a=π/3

= 12a=π

hence, a=π/12 is RIGHT answer.

Discussion

43.	Q: Solve the following linear equations1) 4y+1/3+2y-1/2=6+ 3y-7/5
Answer» ANSWER: r the Answer of QUESTIONS about 14Y

43.

Q: Solve the following linear equations1) 4y+1/3+2y-1/2=6+ 3y-7/5

Answer»

ANSWER:

r

the Answer of QUESTIONS about 14Y

Discussion

44.	Find the least number which must be added to 1000 so that the sum becomes a perfect sqaure *25243529Other
Answer» Answer: 24 should be ADDED Step-by-step explanation: 24 should be added

44.

Find the least number which must be added to 1000 so that the sum becomes a perfect sqaure *25243529Other

Answer»

Answer:

24 should be ADDED

Step-by-step explanation:

24 should be added

Discussion

45.	If 5 tan theta = 4, find the value of 5sin theta - 3 cos theta / 5 sin theta + 2 cos thetaPlz solve with ans
Answer» Step-by-step EXPLANATION: this is your ANSWER.........................,......

45.

If 5 tan theta = 4, find the value of 5sin theta - 3 cos theta / 5 sin theta + 2 cos thetaPlz solve with ans

Answer»

Step-by-step EXPLANATION:

this is your ANSWER.........................,......

Discussion

46.	Show that direction cosines of a vector equally inclined to OX,OY and OZ
Answer» ANSWER: zpz Step-by-step EXPLANATION: nixnixnSibab sana dsons9

46.

Show that direction cosines of a vector equally inclined to OX,OY and OZ

Answer»

ANSWER:

zpz

Step-by-step EXPLANATION:

nixnixnSibab

sana

dsons9

Discussion

47.	In the given figure the congruency rule used in proving
Answer» Answer: To prove: < CAB= AC=AD-----------------------------SIDE AB=AB-------------COMMON SIDE Hence Step-by-step explanation:

47.

In the given figure the congruency rule used in proving

Answer»

Answer:

To prove:

< CAB=

AC=AD-----------------------------SIDE

AB=AB-------------COMMON SIDE

Hence

Step-by-step explanation:

Discussion

48.	Centaoidof triangleobtoined by drawing
Answer» ANSWER: the point which is COMMON to all the THREE medians is CALLED the CENTROID

48.

Centaoidof triangleobtoined by drawing

Answer»

ANSWER:

the point which is COMMON to all the THREE medians is CALLED the CENTROID

Discussion

49.	Find the sum a. -41 and -9 b. -41, -9 and 50
Answer» Step-by-step EXPLANATION: Hey mate , here's ur ANSWER . PLS CHECK this !

49.

Find the sum a. -41 and -9 b. -41, -9 and 50

Answer»

Step-by-step EXPLANATION:

Hey mate , here's ur ANSWER .

PLS CHECK this !

Discussion

50.	H.C. F of 28, 32 and 36 is A) 2 B) 3 C) 5 D) 4
Answer» Answer: 4....HOPE it HELPS........

50.

H.C. F of 28, 32 and 36 is A) 2 B) 3 C) 5 D) 4

Answer»

Answer:

4....HOPE it HELPS........

Discussion

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