1907 + Interview Questions in Maths in Class 7

1.	Fill in the boxes with lt or gt without actually finding the required product. c. i. (9)/(5) xx (4)/(3) square (9)/(5) ""ii. (9)/(5) xx (4)/(3) square (4)/(3)
Answer» ANSWER :i. `GT` II. `gt`

Discussion

2.	Evaluate: 277 . 10 div 17
Answer» ANSWER :`16.3`

Discussion

3.	Subtract a^(3)+3a-a^(2)-6 from 2a^(2)+a-2a^(3)+3 horizontally.
Answer» SOLUTION :N/A

Discussion

4.	Find the products : 2.4318 xx1000
Answer» ANSWER :2431.8.

Discussion

5.	Find the mean proportion between 81 and 121
Answer» ANSWER :99

Discussion

6.	A rectangular 75 m by 60 m has a 1.5 m wide path runing around outside it. Find the cost gravelling this path at the rate of Rs 8 per sq. m
Answer» ANSWER :RS 3312

Discussion

7.	Convert : 1.8 hectares to acres
Answer» ANSWER :`=180` ARES.

Discussion

8.	Simplify: 2-3z^(2)+5yz+7y^(2)-8+z^(2)-6yz-9y^(2)+1-2z^(2)-2yz-y^(2)
Answer» SOLUTION :N/A

Discussion

9.	Solve : x/2+x/4=x/6+7/6
Answer» ANSWER :X= 2

Discussion

10.	Pooja receives Rs. 50 from her aunt. Pooja gives Rs. 40 to Seema. Benu returns Rs. 30 that she owed to Pooja. Also, Pooja buys a pen for Rs. 10 from the stationery shop. How much money does Pooja have at the end of the day?
Answer» `Rs. 20` `Rs. 30` `Rs. 40` `Rs. 50` ANSWER :B

Discussion

11.	Evaluate: a. (3)/(7) div 9
Answer» ANSWER :`1/21`

Discussion

12.	One of the two numbers exceeds the other by 9. Four times the smaller added to five times thelarger gives 108. Find the numbers.
Answer» ANSWER :16, 7

Discussion

13.	Findthe value of x in each of the following : 6 : 0.8 : : x : 10
Answer» ANSWER :X = 75

Discussion

14.	Divide 63/16 div 3 (1)/(7)
Answer» ANSWER :1`31/32`

Discussion

15.	Manju invested ₹9000 in a bank. She deposited an additional ₹3000 after 2 years. At the end of 3 years, she received ₹13,200. Find the rate of interest.
Answer» ANSWER :0.04

Discussion

16.	Evaluate the following. abs(-40+11)
Answer» ANSWER :29

Discussion

17.	Solve the equationsand check your answer in the case: 2(y-(5)/(2))=0.3
Answer» ANSWER :y = 2.65

Discussion

18.	A school has wants to arrange hobby classes for the students of classes 6.7. and 8. The school wants each student of classes 6-8 to opt for any one of the following, Painting. Vocal Music, Volin, Tabla Dance What data needs to be collected and how the data should be organised so that the school is able to arrange these hobby classes for the students?
Answer» ANSWER :The data about the hobby of each STUDENT of classes 6-8 to be opted from painting, vocal music, voilin, table, and dance needs to be collected. The hobby of each student must be RECORDED and organized in a tabular FORM class wise, ROLL number wise.

Discussion

19.	Add the following expressions: 2x^(2), -5x^(2) - x^(2), 6x^(2)
Answer» SOLUTION :N/A

Discussion

20.	Express the as indicated. One has been done for you. 20 paise as rupes
Answer» ANSWER :`1.35`

Discussion

21.	Verify the commutative property of addition of integers for the integers 44 and -35.
Answer» ANSWER :`x+y=y+x`

Discussion

22.	prove that two lines in a plan which ar perpandicular to the same given line the plan ar parallel to each other
Answer» ANSWER :`M\|\|N`

Discussion

23.	Simplify: 2m-3n+5p+2m+n-2p-3m-4n+p
Answer» SOLUTION :N/A

Discussion

24.	Divide: g. 2 (4)/(7) div (45)/(14)
Answer» ANSWER :`(4)/(5)`

Discussion

25.	What should be subtracted from x+2y-3z to get 3x-2y +z?
Answer» SOLUTION :N/A

Discussion

26.	Add the following expressions: 2ab+3bc-5ca, 4bc-3ab+7ca, 2ca-ab-5bc
Answer» SOLUTION :N/A

Discussion

27.	Convert : 6000m^(2) "to ares"
Answer» ANSWER :`=60` ARES.

Discussion

28.	Multiply th 0.056 xx 1000
Answer» ANSWER :`5.6`

Discussion

29.	Evaluate 6 times (-2).
Answer» ANSWER :-12

Discussion

30.	Find the product 3/7xx16/9
Answer» ANSWER :`=16/21`

Discussion

31.	Find the perimeter and area of a rectangle having :Length = 16 cm , Breadth = 12 cm
Answer» ANSWER :56 CM , `192CM^(2)`

Discussion

32.	Find the product 7xx1/7
Answer» ANSWER :`1`

Discussion

33.	Simplify: 4x^(3)-2x^(2)+5x-1+8x+x^(2)-6x^(3)+7-6x+3-3x^(2)-x^(3)
Answer» SOLUTION :N/A

Discussion

34.	Find the reciprocal of : a. (12)/(15)
Answer» ANSWER :`15/12`

Discussion

35.	State true of false. If the statements are correct, then state the property used. 0 times 15=15 times 0
Answer» ANSWER :1

Discussion

36.	A collection of 20 'distinct numbers have 13 as their median. A number is added to this collection but the median does not change. What number has been added?
Answer» `13` `14` `1` `10` ANSWER :A

Discussion

37.	The product of two numbers is 3 (1)/(3). If one number is 3 (3)/(5), find the other.
Answer» ANSWER :`(25)/(27)`

Discussion

38.	Fill in the blanks and state the property used. 451+0="_______"+451
Answer» 0 Property USED : associative identity 0 Property used : MULTIPLICATIVE inverse 0 Property used : ADDITIVE identity 451 Property used : COMMUTATIVE identity Answer :C

Discussion

39.	Find the ara of a rectangle of length 12 cm and breadth 8.5 cm.
Answer» 109 SQ. CM 102 sq. cm 106 sq. cm 108 sq. cm Answer :B

Discussion

40.	After 9 games, the mean number of goals scored by a football team is 3.If after one more game they score 5 goals, what is the new mean value of goals scored?
Answer» `4` `2.5` `3` `3.2` ANSWER :D

Discussion

41.	Subtract : 5x^(2)-3xy -7y^(2) from 3x^(2)-xy-2y^(2)
Answer» SOLUTION :N/A

Discussion

42.	Ramesh says that he has 8 notebooks more than four times the number of notebooks Anuj has. Ramesh has 48 notebooks. How many notebooks does Anuj have?
Answer» `10` `20` `40` `48` ANSWER :A

Discussion

43.	A 10 m long ladder is placed against a wall in such a way that the foot of the ladder is 6 m away from the wall. Up to what height does the ladder reach the wall ?
Answer» `5m` `6M` `8M` `9m` ANSWER :C

Discussion

44.	Convert each of the following fractions into a decimal : 1005/100
Answer» ANSWER :10.05.

Discussion

45.	Classify into monomials, binomials and trinomials. p^2+q^2+r^2-4q^2
Answer» ANSWER :TRINOMIAL

Discussion

46.	Fill in the blanks. a. The angle through which an object turns before it looks exactly as it looked before the rotation started is called ___________.
Answer» ANSWER :ANGLE of ROTATION

Discussion

47.	Simplify and write in exponential form : (12^(4)xx9^(4)xx4)/(6^(3)xx8^(2)xx27)
Answer» ANSWER :`(2XX3^(6))`

Discussion

48.	Evaluate : 56.7 div 0.03 - 89.8 + 20.0 xx 0.5
Answer» ANSWER :`1810.3`

Discussion

49.	Evaluate: b. 2 (5)/(9) + 3 (7)/(15)
Answer» ANSWER :`6 (1)/(45)`

Discussion

50.	PLOT is a rectangel with length 22 cm and breadth 16 cm. PO is a diagonal of this rectangel. Find the ara of the Delta PLO.
Answer» ANSWER :80 CM

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Fill in the boxes with lt or gt without actually finding the required product. c. i. (9)/(5) xx (4)/(3) square (9)/(5) ""ii. (9)/(5) xx (4)/(3) square (4)/(3)

Evaluate: 277 . 10 div 17

Subtract a^(3)+3a-a^(2)-6 from 2a^(2)+a-2a^(3)+3 horizontally.

Find the products : 2.4318 xx1000

Find the mean proportion between 81 and 121

A rectangular 75 m by 60 m has a 1.5 m wide path runing around outside it. Find the cost gravelling this path at the rate of Rs 8 per sq. m

Convert : 1.8 hectares to acres

Simplify: 2-3z^(2)+5yz+7y^(2)-8+z^(2)-6yz-9y^(2)+1-2z^(2)-2yz-y^(2)

Solve : x/2+x/4=x/6+7/6

Pooja receives Rs. 50 from her aunt. Pooja gives Rs. 40 to Seema. Benu returns Rs. 30 that she owed to Pooja. Also, Pooja buys a pen for Rs. 10 from the stationery shop. How much money does Pooja have at the end of the day?

Evaluate: a. (3)/(7) div 9

One of the two numbers exceeds the other by 9. Four times the smaller added to five times thelarger gives 108. Find the numbers.

Findthe value of x in each of the following : 6 : 0.8 : : x : 10

Divide 63/16 div 3 (1)/(7)

Manju invested ₹9000 in a bank. She deposited an additional ₹3000 after 2 years. At the end of 3 years, she received ₹13,200. Find the rate of interest.

Evaluate the following. abs(-40+11)

Solve the equationsand check your answer in the case: 2(y-(5)/(2))=0.3

Add the following expressions: 2x^(2), -5x^(2) - x^(2), 6x^(2)

Express the as indicated. One has been done for you. 20 paise as rupes

Verify the commutative property of addition of integers for the integers 44 and -35.

prove that two lines in a plan which ar perpandicular to the same given line the plan ar parallel to each other

Simplify: 2m-3n+5p+2m+n-2p-3m-4n+p

Divide: g. 2 (4)/(7) div (45)/(14)

What should be subtracted from x+2y-3z to get 3x-2y +z?

Add the following expressions: 2ab+3bc-5ca, 4bc-3ab+7ca, 2ca-ab-5bc

Convert : 6000m^(2) "to ares"

Multiply th 0.056 xx 1000

Evaluate 6 times (-2).

Find the product 3/7xx16/9

Find the perimeter and area of a rectangle having :Length = 16 cm , Breadth = 12 cm

Find the product 7xx1/7

Simplify: 4x^(3)-2x^(2)+5x-1+8x+x^(2)-6x^(3)+7-6x+3-3x^(2)-x^(3)

Find the reciprocal of : a. (12)/(15)

State true of false. If the statements are correct, then state the property used. 0 times 15=15 times 0

A collection of 20 'distinct numbers have 13 as their median. A number is added to this collection but the median does not change. What number has been added?

The product of two numbers is 3 (1)/(3). If one number is 3 (3)/(5), find the other.

Fill in the blanks and state the property used. 451+0="_______"+451

Find the ara of a rectangle of length 12 cm and breadth 8.5 cm.

After 9 games, the mean number of goals scored by a football team is 3.If after one more game they score 5 goals, what is the new mean value of goals scored?

Subtract : 5x^(2)-3xy -7y^(2) from 3x^(2)-xy-2y^(2)

Ramesh says that he has 8 notebooks more than four times the number of notebooks Anuj has. Ramesh has 48 notebooks. How many notebooks does Anuj have?

A 10 m long ladder is placed against a wall in such a way that the foot of the ladder is 6 m away from the wall. Up to what height does the ladder reach the wall ?

Convert each of the following fractions into a decimal : 1005/100

Classify into monomials, binomials and trinomials. p^2+q^2+r^2-4q^2

Fill in the blanks. a. The angle through which an object turns before it looks exactly as it looked before the rotation started is called ___________.

Simplify and write in exponential form : (12^(4)xx9^(4)xx4)/(6^(3)xx8^(2)xx27)

Evaluate : 56.7 div 0.03 - 89.8 + 20.0 xx 0.5

Evaluate: b. 2 (5)/(9) + 3 (7)/(15)

PLOT is a rectangel with length 22 cm and breadth 16 cm. PO is a diagonal of this rectangel. Find the ara of the Delta PLO.