332354 + Interview Questions in Secondary School in Math

1.	Length of a book is 15cm what will be the final reading of the ruler if the ruler reads from 2.2cm
Answer» The final READING of the ruler if the ruler READS from 2.2cm is 17.2 CM Step-by-step explanation: Length of a book = 15 cm The ruler reads from 2.2 cm So The reading on ruler will be 15 cm+2.2 cm = 17.2 cm So, final reading = 17.2 cm Hence the final reading of the ruler if the ruler reads from 2.2cm is 17.2 cm #Learn more: If END of a ruler is broken then starts reading from 1.2.the final reading of a pencil is 7.6 CENTIMETRE what will be the actual reading of the pencil brainly.in/question/9667259

1.

Length of a book is 15cm what will be the final reading of the ruler if the ruler reads from 2.2cm

Answer»

The final READING of the ruler if the ruler READS from 2.2cm is 17.2 CM

Step-by-step explanation:

Length of a book = 15 cm

The ruler reads from 2.2 cm

So The reading on ruler will be 15 cm+2.2 cm = 17.2 cm

So, final reading = 17.2 cm

Hence the final reading of the ruler if the ruler reads from 2.2cm is 17.2 cm

#Learn more:

If END of a ruler is broken then starts reading from 1.2.the final reading of a pencil is 7.6 CENTIMETRE what will be the actual reading of the pencil

brainly.in/question/9667259

Discussion

2.	Find next number in series 2,6, 9, 12 ,16, 18
Answer» Answer: 22 is the answer hope this HELPS you Step-by-step EXPLANATION: series=+4,+3+4,+4,+3,+4

2.

Find next number in series 2,6, 9, 12 ,16, 18

Answer»

Answer:

22 is the answer

hope this HELPS you

Step-by-step EXPLANATION:

series=+4,+3+4,+4,+3,+4

Discussion

3.	(52)6=(26)5 what is this property of multiplication called?
Answer» COMMUTATIVE PROPERTY

Discussion

4.	If a- 1/ a = 7 , then what is the value of a^ 4 + 1 / a ^ 4Option A . 2599Option B . 2208Option C . 2209Option D . 2211Please give a brief explanation of how to do it
Answer» options are WONG CORRECT answer is 1297 on CALCULATING value of a and putting in req EQUATION

4.

If a- 1/ a = 7 , then what is the value of a^ 4 + 1 / a ^ 4Option A . 2599Option B . 2208Option C . 2209Option D . 2211Please give a brief explanation of how to do it

Answer»

options are WONG CORRECT answer is 1297 on CALCULATING value of a and putting in req EQUATION

Discussion

5.	4. Find five rational numbers between:04 and 7
Answer» Answer:9/2,10/2,11/2,12/2,13/2 Step-by-step explanation: Ans.4×2/1×2 = 8/2 7×2/1×2 = 14/2 THEREFORE, FIVE RATIONAL no. Between 4 and 7 are:- 9/2,10/2,11/2,12/2,13/2

5.

4. Find five rational numbers between:04 and 7

Answer»

Answer:9/2,10/2,11/2,12/2,13/2

Step-by-step explanation:

Ans.4×2/1×2 = 8/2

7×2/1×2 = 14/2

THEREFORE, FIVE RATIONAL no. Between 4 and 7 are:-

9/2,10/2,11/2,12/2,13/2

Discussion

6.	Plzz answer fast what number should be added to minus 5 by 8 so as to get minus 3 by 2
Answer» ANSWER: -7/8 Step-by-step EXPLANATION: let X be ADD then BECOME -3/2. -5/8+x=-3/2 so x =-7/8

6.

Plzz answer fast what number should be added to minus 5 by 8 so as to get minus 3 by 2

Answer»

ANSWER:

-7/8

Step-by-step EXPLANATION:

let X be ADD then BECOME -3/2.

-5/8+x=-3/2

so x =-7/8

Discussion

7.	121,253,374,495,?what is answer
Answer» Answer: answer is 507 if we add 121for 495 we get the answer add 121 for EVERY number you will get the NEXT number HOPE it will help you

7.

121,253,374,495,?what is answer

Answer»

Answer:

answer is 507 if we add 121for 495 we get the answer

add 121 for EVERY number you will get the NEXT number

HOPE it will help you

Discussion

8.	QMarks Questions:GaGC8. A tank contains 1860 ml water. Find the maximum number of jugs that can be fed if each jug holds500ml water?9/ In 7 cartons, there are 3500 apples in each. If 45apples are rotten in each carton. Find the total numberof good apples.10) The principal of a school wishes to distribute 84 balls and 108 bats equally among a number of boys.Find the greatest number of boys receiving the gift in this way.Find the largest size of a square tile that can be used for paving a rectangular plot 162 m by 84 m.Also find the number of tiles that will be needed.2) Find the greatest 3- digit number exactly divisible by 10, 12 and 16.
Answer» Step-by-step EXPLANATION: if AVAILABLE on GOOGLE

8.

QMarks Questions:GaGC8. A tank contains 1860 ml water. Find the maximum number of jugs that can be fed if each jug holds500ml water?9/ In 7 cartons, there are 3500 apples in each. If 45apples are rotten in each carton. Find the total numberof good apples.10) The principal of a school wishes to distribute 84 balls and 108 bats equally among a number of boys.Find the greatest number of boys receiving the gift in this way.Find the largest size of a square tile that can be used for paving a rectangular plot 162 m by 84 m.Also find the number of tiles that will be needed.2) Find the greatest 3- digit number exactly divisible by 10, 12 and 16.

Answer»

Step-by-step EXPLANATION:

if AVAILABLE on GOOGLE

Discussion

9.	find out and compare the nutritional value of various foodstuffs graphically (bar graph ). also design an ideal diet plan for yourself according to your taste
Answer» Answer: An ideal diet plan, which will help you can follow keeping your lifestyle healthy is given below: Step-by-step explanation: Before Breakfast 1 hour before your breakfast take a glass of warm water and squeeze a whole lemon in it. This will help to loosen FATS of your body. Breakfast 1 bowl of oats with your choice of milk and nuts Or 2 toast with 1 whole boiled egg Morning Snack 1/3 cup any berry of your choice 1/4 cup plain non-fat Greek yogurt Lunch 2 whole wheat CHAPATIS 1 bowl of vegetables / 1 bowl of chicken or fish curry 1 bowl of dal Afternoon Snack 1 cup sliced cucumber Dinner 1 serving salad of your choice of green vegetables with grilled fish or chicken Or ½ cup RICE/ 1 whole wheat chapati 1 bowl of vegetable Note: Try to cook your food in olive oil or mustard oil. Always eat your food in small PORTION in more no. of times rather than have it in LARGE quantity. Below is the graphical representation of various food types and its nutritional values:

9.

find out and compare the nutritional value of various foodstuffs graphically (bar graph ). also design an ideal diet plan for yourself according to your taste

Answer»

Answer:

An ideal diet plan, which will help you can follow keeping your lifestyle healthy is given below:

Step-by-step explanation:

Before Breakfast

1 hour before your breakfast take a glass of warm water and squeeze a whole lemon in it. This will help to loosen FATS of your body.

Breakfast

1 bowl of oats with your choice of milk and nuts

Or

2 toast with 1 whole boiled egg

Morning Snack

1/3 cup any berry of your choice

1/4 cup plain non-fat Greek yogurt

Lunch

2 whole wheat CHAPATIS

1 bowl of vegetables / 1 bowl of chicken or fish curry

1 bowl of dal

Afternoon Snack

1 cup sliced cucumber

Dinner

1 serving salad of your choice of green vegetables with grilled fish or chicken

Or

½ cup RICE/ 1 whole wheat chapati

1 bowl of vegetable

Note: Try to cook your food in olive oil or mustard oil. Always eat your food in small PORTION in more no. of times rather than have it in LARGE quantity.

Below is the graphical representation of various food types and its nutritional values:

Discussion

10.	Question no 5th chapter integers
Answer» Hey mate here's u R ans. ........ Hope this HELPS u PLUS mark me as brainiest ALSO follow me......

10.

Question no 5th chapter integers

Answer»

Hey mate here's u R ans. ........

Hope this HELPS u PLUS mark me as brainiest ALSO follow me......

Discussion

11.	find the area of an isosceles triangle having unequal sides as 12 cm and each of the equal sides 24 cm also find its altitude corresponding to the unequal side
Answer» just uuiiia8q7w5 way t Egyptgeek h6 75 is it that way HOME from school and I have to➡➡➡➡➡➡➡ 8hwtw UPON the amazing SPIDERMAN ultimate power to make it that way to get a free agent of the amazing spiderman ultimate power

Discussion

12.	BMathemati19. Write in expanded formOV20. Write the expansion of the following) (9x + 2y + 2)2 (ii) (3x - 2y – z12Find the product of following(0) (x + 3) (x2 – 3x + 9)in 15a - 3) (25a2 + 15ab + 962-
Answer» Answer: 20 i. $81 {x}^{2} + 4 {y}^{2} + 4$ II. $3 {x}^{2} - 4 {y}^{2} - {z}^{2}$

12.

BMathemati19. Write in expanded formOV20. Write the expansion of the following) (9x + 2y + 2)2 (ii) (3x - 2y – z12Find the product of following(0) (x + 3) (x2 – 3x + 9)in 15a - 3) (25a2 + 15ab + 962-

Answer»

Answer:

20 i.

$81 {x}^{2} + 4 {y}^{2} + 4$

II.

$3 {x}^{2} - 4 {y}^{2} - {z}^{2}$

Discussion

13.	2. The combined age of Arun andBharath is 86. The combined age ofBharath and Chandan is 73. Thecombined age of Arun and Chandan is15. Then the respective ages ofBharath, Arun and Chandan are(A)1, 72, 14(B) 14, 1, 72(D) 1,14,72(C) 72, 14, 1
Answer» Answer : 'c" Step-by-step explanation: let arun age be = x let bharath age be= y let chandan age be = Z 1) x+y =86 2) y+z=73 3) x+z=15 from eq. 1 and 2 x + y =86 z + y =73 __-__-__-___ x-z = 13----------(4) now COMPARE eq. 4 and 3 x=14 now substitute this value in eq. 1 and find other age hope it will HELP you mark this as brainliest

13.

2. The combined age of Arun andBharath is 86. The combined age ofBharath and Chandan is 73. Thecombined age of Arun and Chandan is15. Then the respective ages ofBharath, Arun and Chandan are(A)1, 72, 14(B) 14, 1, 72(D) 1,14,72(C) 72, 14, 1

Answer»

Answer : 'c"

Step-by-step explanation:

let arun age be = x

let bharath age be= y

let chandan age be = Z

1) x+y =86

2) y+z=73

3) x+z=15

from eq. 1 and 2 x + y =86

z + y =73

__-__-__-___

x-z = 13----------(4)

now COMPARE eq. 4 and 3

x=14

now substitute this value in eq. 1 and find other age

hope it will HELP you

mark this as brainliest

Discussion

14.	Fill in the placeholders 78+13=81+?=?
Answer» ANSWER:-✔✔↙️↙️ $78 + 13 = 81 + {?}^{} \\ 91 = 81 + {?}^{} \\ {?}^{} = 91 - 81 = 10$ HOPE IT HELPS YOU❣❣❇❇✌✌

14.

Fill in the placeholders 78+13=81+?=?

Answer»

ANSWER:-✔✔↙️↙️

$78 + 13 = 81 + {?}^{} \\ 91 = 81 + {?}^{} \\ {?}^{} = 91 - 81 = 10$

HOPE IT HELPS YOU❣❣❇❇✌✌

Discussion

15.	Prove that product if three consecutive positive integers is divisible by 3.
Answer» Answer: Step-by-step explanation: Let N be any POSITIVE integer.Let n (n +1) and (n + 2) are three consecutive positive integers. Then their PRODUCT is n (n +1)(n+2). Since any positive integer is of the form 6q or 6q + 1 or 6q + 2 or 6q + 3 or 6q + 4, 6q + 5. Case : 1 If n = 6q, n (n + 1) (n + 2) = 6q (6q + 1) (6q + 2), which is DIVISIBLE by 6 Case : 2 If n = 6q + 1 n (n + 1) (n + 2) = (6q + 1) (6q + 2) (6q + 3) n (n + 1) (n + 2) = (6q + 1) 2(3q + 2) 3(2q + 1) n (n + 1) (n + 2) = 6 (6q + 1) (3q + 1) (2q + 1) ,Which is divisible by 6 Case : 3 If n = 6q + 2 n (n + 1) (n + 2) = (6q + 2) (6q + 3) (6q + 4) n (n + 1) (n + 2) = 2(3q + 1) 3(2q + 1) 2(3q + 2) n (n + 1) (n + 2) = 12 (3q + 1) (2q + 1) (3q + 2), Which is divisible by 6. Similarly, n (n + 1) (n + 2) is divisible by 6 if n= 6q + 3 or 6q + 4, 6q + 5. Hence it is proved that the product of three consecutive positive integers is divisible by 6.

15.

Prove that product if three consecutive positive integers is divisible by 3.

Answer»

Answer:

Step-by-step explanation:

Let N be any POSITIVE integer.Let n (n +1) and (n + 2) are three consecutive positive integers. Then their PRODUCT is n (n +1)(n+2).

Since any positive integer is of the form 6q or 6q + 1 or 6q + 2 or 6q + 3 or 6q + 4, 6q + 5.

Case : 1

If n = 6q,

n (n + 1) (n + 2) = 6q (6q + 1) (6q + 2), which is DIVISIBLE by 6

Case : 2

If n = 6q + 1

n (n + 1) (n + 2) = (6q + 1) (6q + 2) (6q + 3)

n (n + 1) (n + 2) = (6q + 1) 2(3q + 2) 3(2q + 1)

n (n + 1) (n + 2) = 6 (6q + 1) (3q + 1) (2q + 1) ,Which is divisible by 6

Case : 3

If n = 6q + 2

n (n + 1) (n + 2) = (6q + 2) (6q + 3) (6q + 4)

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

n (n + 1) (n + 2) = 12 (3q + 1) (2q + 1) (3q + 2), Which is divisible by 6.

Similarly, n (n + 1) (n + 2) is divisible by 6 if n= 6q + 3 or 6q + 4, 6q + 5.

Hence it is proved that the product of three consecutive positive integers is divisible by 6.

Discussion

16.	6+8 the whole square equal to
Answer» ANSWER: Step-by-step EXPLANATION: (6+8)^2= 14*14= 196

16.

6+8 the whole square equal to

Answer»

ANSWER:

Step-by-step EXPLANATION:

(6+8)^2= 14*14= 196

Discussion

17.	If a,b,c are distinct positive prime integers such that a²b³c⁴=49392 .find the value of a,b,c
Answer» ANSWER: Step-by-step EXPLANATION: BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

17.

If a,b,c are distinct positive prime integers such that a²b³c⁴=49392 .find the value of a,b,c

Answer»

ANSWER:

Step-by-step EXPLANATION:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

Discussion

18.	Logo comasnd polygon
Answer» Answer: Here is your answer, Hope it helps!!! Logo command polygon LOGO - Drawings 1 - ROTATING POLYGONS - Polygon That 90 degree ANGLE is an external angle to the square through which the turtle turns. It is 90 degrees because: A square is a REGULAR polygon with identical external angles at each vertex. The turtle will turn a TOTAL of 360 degrees while drawing the square.

18.

Logo comasnd polygon

Answer»

Answer:

Here is your answer, Hope it helps!!!

Logo command polygon

LOGO - Drawings 1 - ROTATING POLYGONS - Polygon

That 90 degree ANGLE is an external angle to the square through which the turtle turns. It is 90 degrees because: A square is a REGULAR polygon with identical external angles at each vertex. The turtle will turn a TOTAL of 360 degrees while drawing the square.

Discussion

19.	The cost of 3 kg Apple is 36 find the cost of
Answer» ANSWER: COST of 3kg is 36 therefore cost of 1KG is 36/3= 12 Therefore cost of 5 and 1/2 kg is 12*5 + 12/2 = 66 Hope this HELPS you.

19.

The cost of 3 kg Apple is 36 find the cost of

Answer»

ANSWER:

COST of 3kg is 36

therefore cost of 1KG is 36/3= 12

Therefore cost of 5 and 1/2 kg is 12*5 + 12/2 = 66

Hope this HELPS you.

Discussion

20.	Find the value of x, when it is given that sin (2x + 10º) = 1.
Answer» Answer: sin 90 = 1 => 2x + 10 = 90 => 2x = 80 => x = 40

20.

Find the value of x, when it is given that sin (2x + 10º) = 1.

Answer»

Answer:

sin 90 = 1

=> 2x + 10 = 90

=> 2x = 80

=> x = 40

Discussion

21.	Find the remainder when x cube minus x square + 6 x minus A is divided by x minus A
Answer» Answer: The answer of UR QNS is referred to IMAGE that is pasted below:- Step-by-step explanation: HOPE this helps you.. If RIGHT plz mark me as brainliest.. Hope this helps you.. If right plz mark me as brainliest

21.

Find the remainder when x cube minus x square + 6 x minus A is divided by x minus A

Answer»

Answer:

The answer of UR QNS is referred to IMAGE that is pasted below:-

Step-by-step explanation:

HOPE this helps you..

If RIGHT plz mark me as brainliest..

Hope this helps you..

If right plz mark me as brainliest

Discussion

22.	5×3^n+2+4×3^n+3 ÷17×3^n+2 please answer it fast
Answer» ANSWER: Rwywr246 Qqeqqqaqr geeq Step-by-step explanation: 4qreqt

22.

5×3^n+2+4×3^n+3 ÷17×3^n+2 please answer it fast

Answer»

ANSWER:

Rwywr246 Qqeqqqaqr geeq

Step-by-step explanation:

4qreqt

Discussion

23.	4/100*2075=83 give explanation
Answer» Step-by-step explanation: 4/100×2075 = 4×20.75 =83

23.

4/100*2075=83 give explanation

Answer»

Step-by-step explanation:

4/100×2075

= 4×20.75

=83

Discussion

24.	Evaluate 98x98 by using identity
Answer» ANSWER: Step-by-step EXPLANATION:

24.

Evaluate 98x98 by using identity

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

25.	The difference of an even number and an odd number is
Answer» Answer: 1 Step-by-step explanation: as we all know that and odd no. is in the form of 2M+1 and an even no. is in the form of 2m. this IMPLIES that difference =2m+1-(2m) =2m+1-2m =1

25.

The difference of an even number and an odd number is

Answer»

Answer:

1

Step-by-step explanation:

as we all know that and odd no. is in the form of 2M+1 and an even no. is in the form of 2m.

this IMPLIES that

difference =2m+1-(2m)

=2m+1-2m

=1

Discussion

26.	Solve 3x-2 congruent 0 module 11
Answer» ANSWER: -6IS the answer for these QUESTION

26.

Solve 3x-2 congruent 0 module 11

Answer»

ANSWER:

-6IS the answer for these QUESTION

Discussion

27.	If a number is x so find the other number taht is twice of is and their sum is 28....
Answer» Answer: hey... Step-by-step EXPLANATION: plz write the question CORRECTLY... then only i will ABLE to ANS the question... btw i think so .. x=9.33....

27.

If a number is x so find the other number taht is twice of is and their sum is 28....

Answer»

Answer:

hey...

Step-by-step EXPLANATION:

plz write the question CORRECTLY...

then only i will ABLE to ANS the question...

btw i think so ..

x=9.33....

Discussion

28.	Prove that the squares of all the terms of the arithmetic sequence 4,7,10....belong to the sequence
Answer» Answer: PROVED Step-by-step explanation: prove that the squares of all the terms of the arithmetic sequence 4,7,10....BELONG to the sequence AP is 4 , 7 , 10 .... a = 4 d = 3 NTH term = a +(n-1)d = 4 + (n-1)3 = 4 + 3n - 3 = 3n + 1 square of nth Term = (3n + 1)² = 9n² + 6N + 1 = 3(3n² + 2n) + 1 3n² + 2n = k = 3k + 1 square of nth Term = kth Term where k = 3n² + 2n Hence proved that the squares of all the terms of the arithmetic sequence 4,7,10....belong to the sequence

28.

Prove that the squares of all the terms of the arithmetic sequence 4,7,10....belong to the sequence

Answer»

Answer:

PROVED

Step-by-step explanation:

prove that the squares of all the terms of the arithmetic sequence 4,7,10....BELONG to the sequence

AP is

4 , 7 , 10 ....

a = 4 d = 3

NTH term = a +(n-1)d = 4 + (n-1)3 = 4 + 3n - 3 = 3n + 1

square of nth Term = (3n + 1)²

= 9n² + 6N + 1

= 3(3n² + 2n) + 1

3n² + 2n = k

= 3k + 1

square of nth Term = kth Term where k = 3n² + 2n

Hence proved that the squares of all the terms of the arithmetic sequence 4,7,10....belong to the sequence

Discussion

29.	10 logone milkar 5hours me yek divar bnai to 20 log milkar kitne hour me divar bnayenge
Answer» Answer: 2.5 HOURS main Step-by-step EXPLANATION:

29.

10 logone milkar 5hours me yek divar bnai to 20 log milkar kitne hour me divar bnayenge

Answer»

Answer:

2.5 HOURS main

Step-by-step EXPLANATION:

Discussion

30.	3 by 2 raise to the power x is equals to 81 upon 16
Answer» ANSWER: $\left( \dfrac{ 3 }{ 2 } \right) ^x = \dfrac{ 8 1 }{ 1 6 }\quad : \quad x = 4$ Step-by-step EXPLANATION: $\left( \dfrac{ 3 }{ 2 } \right) ^x = \dfrac{ 8 1 }{ 1 6 }$ $\gray{\mathrm{ C o n v e r t \: } \dfrac{ 8 1 }{ 1 6 } \mathrm{ \: t o \: b a s e \: } \left( \dfrac{ 3 }{ 2 } \right)}$ $\gray{ \dfrac{ 8 1 }{ 1 6 } = \left( \dfrac{ 3 }{ 2 } \right) ^4}$ $\left( \dfrac{ 3 }{ 2 } \right) ^x = \left( \dfrac{ 3 }{ 2 } \right) ^4$ $\gray{ \mathrm{ I f \: } a ^{ f \left( x \right) } = a ^{ g \left( x \right) }\mathrm{ , \: t h e n \: } f \left( x \right) = g \left( x \right)}$ $x = 4$

30.

3 by 2 raise to the power x is equals to 81 upon 16

Answer»

ANSWER:

$\left( \dfrac{ 3 }{ 2 } \right) ^x = \dfrac{ 8 1 }{ 1 6 }\quad : \quad x = 4$

Step-by-step EXPLANATION:

$\left( \dfrac{ 3 }{ 2 } \right) ^x = \dfrac{ 8 1 }{ 1 6 }$

$\gray{\mathrm{ C o n v e r t \: } \dfrac{ 8 1 }{ 1 6 } \mathrm{ \: t o \: b a s e \: } \left( \dfrac{ 3 }{ 2 } \right)}$

$\gray{ \dfrac{ 8 1 }{ 1 6 } = \left( \dfrac{ 3 }{ 2 } \right) ^4}$

$\left( \dfrac{ 3 }{ 2 } \right) ^x = \left( \dfrac{ 3 }{ 2 } \right) ^4$

$\gray{ \mathrm{ I f \: } a ^{ f \left( x \right) } = a ^{ g \left( x \right) }\mathrm{ , \: t h e n \: } f \left( x \right) = g \left( x \right)}$

$x = 4$

Discussion

31.	If log2 = 0.30103 and log 3 = 0.4771, find the number of digits in (648)^5.
Answer» Answer: DEMAND đ mb FIND RECORD CLUES

31.

If log2 = 0.30103 and log 3 = 0.4771, find the number of digits in (648)^5.

Answer»

Answer:

DEMAND đ mb FIND RECORD CLUES

Discussion

32.	Linear equation x-2=0 is parallel to which axis
Answer» x-2=0 is PARALLEL to y AXIS

Discussion

33.	Let c be the circle with centre at (1 1) and radius 1
Answer» HI dear.... Where is the diagram of this.question.... PLZ refresh UR question

33.

Let c be the circle with centre at (1 1) and radius 1

Answer»

HI dear....

Where is the diagram of this.question....

PLZ refresh UR question

Discussion

34.	Largest number of 4 digits divisible by 12,15,18
Answer» Answer: 12=2×2×3 15=3×5 18=2×3×3 HCF=3 Step-by-step EXPLANATION: the no is not 4 DIGIT

34.

Largest number of 4 digits divisible by 12,15,18

Answer»

Answer:

12=2×2×3

15=3×5

18=2×3×3

HCF=3

Step-by-step EXPLANATION:

the no is not 4 DIGIT

Discussion

35.	4. Find the degree of the polynomial (x2 + 9) (5-x2)
Answer» ANSWER:DEGREE is 4 because the largest power of a term is 4 after multiplying them. Mark as brainliest Step-by-step EXPLANATION:

35.

4. Find the degree of the polynomial (x2 + 9) (5-x2)

Answer»

ANSWER:DEGREE is 4 because the largest power of a term is 4 after multiplying them. Mark as brainliest

Step-by-step EXPLANATION:

Discussion

36.	6. Explain why 7× 11 ×13 +13 and 7×6× 5× 4× 3× 2 + 5 are composite numbers .
Answer» *Hey* 1) 7 × 11 × 13 + 13 13(7×11×1 + 1) 13(77+1) 13(78) *Therefore* it is a *composite* *NUMBER* 2) 7 × 6 × 5 × 4 × 3 × 2 +5 5(7×6×1×4×3×2 + 1) 5(42×24+1) 5(*1009) Therefore* it is a *composite* *number*

36.

6. Explain why 7× 11 ×13 +13 and 7×6× 5× 4× 3× 2 + 5 are composite numbers .

Answer»

Hey

1) 7 × 11 × 13 + 13

13(7×11×1 + 1)

13(77+1)

13(78)

Therefore it is a composite NUMBER

2) 7 × 6 × 5 × 4 × 3 × 2 +5

5(7×6×1×4×3×2 + 1)

5(42×24+1)

5(1009)

Therefore it is a composite number

Discussion

37.	Ram invested 5000 rs at 10%p.a interest compound annually .find the principal at the beginning of 2nd year?
Answer» ANSWER: answer RS 5500 5000+500=5500

37.

Ram invested 5000 rs at 10%p.a interest compound annually .find the principal at the beginning of 2nd year?

Answer»

ANSWER:

answer RS 5500 5000+500=5500

Discussion

38.	Please answer the question in method
Answer» ANSWER: Multiplicative inverse means RECIPROCAL of DIGITS.. 1st answer is 8/1 2ND is 8/7 3rd is 1/3 Hope it will help you

38.

Please answer the question in method

Answer»

ANSWER:

Multiplicative inverse means RECIPROCAL of DIGITS..

1st answer is 8/1

2ND is 8/7

3rd is 1/3

Hope it will help you

Discussion

39.	If x=rcos theta and y = r sin theta then show thay xsquare + ysquare = R square.
Answer» $\pink{\bold{ANSWER}}$ $\rm{x^2\:+y^2\:=R^2}$ $\red{\bold{EXPLANATION}}$ $\rm{x=Cos\theta}$ $\underline{SQUARING\:ON\:BOTH\:SIDES\:WE\:HAVE}$ $\rm{x^2=Cos^2\theta}$ ... $\rm{Equation\:01}$ $\rm{y=Sin\theta}$ $\underline{SQUARING\:ON\:BOTH\:SIDES\:WE\:HAVE}$ $\rm{y^2=Sin^2\theta}$ ... $\rm{Equation\:02}$ $\mathbb{ADD\:BOTH\:THE\: EQUATIONS\:WE\:HAVE}$ $\rm{x^2\:+\:y^2\:=R^2Sin^2\theta\:+R^2Cos^2\theta}$ $\rm{x^2\:+\:y^2\:=R^2\left(Sin^2\theta\:+Cos^2\theta\right)}$ $\rm{x^2\:+\:y^2\:=R^2}$ $\boxed{\rm{Becoz\:Sin^2\theta\:+Cos^2\theta\:=1}}$ $\therefore$ $\rm{x^2\:+y^2\:=R^2}$

39.

If x=rcos theta and y = r sin theta then show thay xsquare + ysquare = R square.

Answer»

$\pink{\bold{ANSWER}}$

$\rm{x^2\:+y^2\:=R^2}$

$\red{\bold{EXPLANATION}}$

$\rm{x=Cos\theta}$

$\underline{SQUARING\:ON\:BOTH\:SIDES\:WE\:HAVE}$

$\rm{x^2=Cos^2\theta}$ ... $\rm{Equation\:01}$

$\rm{y=Sin\theta}$

$\underline{SQUARING\:ON\:BOTH\:SIDES\:WE\:HAVE}$

$\rm{y^2=Sin^2\theta}$ ... $\rm{Equation\:02}$

$\mathbb{ADD\:BOTH\:THE\: EQUATIONS\:WE\:HAVE}$

$\rm{x^2\:+\:y^2\:=R^2Sin^2\theta\:+R^2Cos^2\theta}$

$\rm{x^2\:+\:y^2\:=R^2\left(Sin^2\theta\:+Cos^2\theta\right)}$

$\rm{x^2\:+\:y^2\:=R^2}$

$\boxed{\rm{Becoz\:Sin^2\theta\:+Cos^2\theta\:=1}}$

$\therefore$ $\rm{x^2\:+y^2\:=R^2}$

Discussion

40.	(3^-1 + 6^-1) ÷ (3/4)^-1Please solve this
Answer» PLS MARK as BRAINLIEST

Discussion

41.	In the given figure, four lines intersect at O .the value of x equals
Answer» ANSWER: 27degree Step-by-step EXPLANATION: i....HOPE U LIKE my answer

41.

In the given figure, four lines intersect at O .the value of x equals

Answer»

ANSWER:

27degree

Step-by-step EXPLANATION:

i....HOPE U LIKE my answer

Discussion

42.	Find the LCM of 16 90 91 280 455
Answer» Given: Numbers: 16, 90, 91, 280 & 455 To find: L.C.M. of the numbers Solution: (i) We will find the L.C.M. of the numbers 16, 90, 91, 280 & 455 by the prime factorization METHOD. (ii) Let's FIRST WRITE the factors of each number 16 = 2 × 2 × 2 × 2 90 = 2 × 3 × 3 × 5 91 = 7 × 13 280 = 2 × 2 × 2 × 5 × 7 455 = 5 × 7 × 13 (iii) Now, we will take the least common factors of the numbers L.C.M (16, 90, 91, 280 & 455) = 2⁴ × 3² × 5 × 7 × 13 = 65,520 Thus, $\boxed{The\:L.C.M.\:of 16,\:90,\:91,\:280\: and \:455\:is\:\bold{65,520}.}$ --------------------------------------------------------------------------------------- Also View: Find the LCM of i) 12, 18, 24 and 36 ii) 39, 65 and 130 iii) 20, 35, 15, and 45 iv) 45, 60, 90 v) 28, 35, 42 vi) 6, 10, 20 and 30 10. Find the HCF of i) 120 and 288 ii) 125, 200 and 250 iii) 5, 168, 140 and 252 iv) 950, 75, 105 v) 48, 72, 60 vi) 770, 1078 and 924 first answer LCM THEN HCF brainly.in/question/16689126 LCM of 56 65 and 85 brainly.in/question/16166243 What is the LCM of 39 , 52 , 65 brainly.in/question/5455708

42.

Find the LCM of 16 90 91 280 455

Answer»

Given:

Numbers: 16, 90, 91, 280 & 455

To find:

L.C.M. of the numbers

Solution:

(i) We will find the L.C.M. of the numbers 16, 90, 91, 280 & 455 by the prime factorization METHOD.

(ii) Let's FIRST WRITE the factors of each number

16 = 2 × 2 × 2 × 2

90 = 2 × 3 × 3 × 5

91 = 7 × 13

280 = 2 × 2 × 2 × 5 × 7

455 = 5 × 7 × 13

(iii) Now, we will take the least common factors of the numbers

L.C.M (16, 90, 91, 280 & 455) = 2⁴ × 3² × 5 × 7 × 13 = 65,520

Thus, $\boxed{The\:L.C.M.\:of 16,\:90,\:91,\:280\: and \:455\:is\:\bold{65,520}.}$

---------------------------------------------------------------------------------------

Also View:

Find the LCM of

i) 12, 18, 24 and 36 ii) 39, 65 and 130 iii) 20, 35, 15, and 45

iv) 45, 60, 90 v) 28, 35, 42 vi) 6, 10, 20 and 30

10. Find the HCF of

i) 120 and 288 ii) 125, 200 and 250 iii) 5, 168, 140 and 252

iv) 950, 75, 105 v) 48, 72, 60 vi) 770, 1078 and 924 first answer LCM THEN HCF

brainly.in/question/16689126

LCM of 56 65 and 85

brainly.in/question/16166243

What is the LCM of 39 , 52 , 65

brainly.in/question/5455708

Discussion

43.	Every prime numbers for accept which number is not odd
Answer» Answer: 2 is the only PRIME NUMBER which is not an ODD number....

43.

Every prime numbers for accept which number is not odd

Answer»

Answer:

2 is the only PRIME NUMBER which is not an ODD number....

Discussion

44.	Calculate speed of a moving body if it covers 50 metres in 25 seconds
Answer» ANSWER: SPEED = distance TIME = 50 25 = 2m/s.

44.

Calculate speed of a moving body if it covers 50 metres in 25 seconds

Answer»

ANSWER:

SPEED = distance

TIME

= 50

25

= 2m/s.

Discussion

45.	6.25, 9, 12.25, 16, 20.25, 25, 30.25, ?
Answer» Answer: 36 is the answer Step-by-step explanation: 30.25+5.75=36

45.

6.25, 9, 12.25, 16, 20.25, 25, 30.25, ?

Answer»

Answer:

36 is the answer

Step-by-step explanation:

30.25+5.75=36

Discussion

46.	81456 2 and ß are Lecos of the polynomial322 +52 +13. then evaluate.0 X2 + B2Plz answer it quickly.. Urgently required..
Answer» TU question EMITI pachar... nd ame ETHI KATHA heba...OKKK

Discussion

47.	Find the value of x so that _ (3/4)^2x+3 = [(3/4)^3]^3
Answer» ANSWER: Step-by-step EXPLANATION: BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

47.

Find the value of x so that _ (3/4)^2x+3 = [(3/4)^3]^3

Answer»

ANSWER:

Step-by-step EXPLANATION:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

Discussion

48.	{3/4 of 240÷ 45×5.5}÷2.2+90
Answer» I dont KNOW BRO its your own business PLEASE don't ask me it again please

Discussion

49.	Find the ratio of the sum and product of the zeroes of the polynomial 5x²+2x-10
Answer» ANSWER: the answer of this QUESTION is 1:5

49.

Find the ratio of the sum and product of the zeroes of the polynomial 5x²+2x-10

Answer»

ANSWER:

the answer of this QUESTION is 1:5

Discussion

50.	1890, 1890, 630, 126, 18, ?a)6 b)9. c)2. d)3
Answer» ANSWER: I THINK it is 9

50.

1890, 1890, 630, 126, 18, ?a)6 b)9. c)2. d)3

Answer»

ANSWER:

I THINK it is 9

Discussion

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