1907 + Interview Questions in Maths in Class 7

1.	Multiply : 4.63xx100
Answer» ANSWER :463

Discussion

2.	Express each of the following as fraction is simplest form : 0.345
Answer» ANSWER :`69/200`

Discussion

3.	Evaluate: 3.5 div 0.007 - 2.4 [3-(4.7 - 2.65) ]
Answer» ANSWER :`5479.72`

Discussion

4.	Find the area of a triangle with base = 18 cm and height = 12 cm.
Answer» 128 sq. cm 110 sq. cm 108 sq. cm 109 sq. cm ANSWER :C

Discussion

5.	Find the value of 3x^2-5x+8 for x=3
Answer» ANSWER :20

Discussion

6.	The temperature on a winter morning at a hill station was -4^(@)C. After 6 hours it rose by 6^(@)C. By evening it had fallen by 3^(@)C. What was the temperature in the evening?
Answer» ANSWER :`-1^(@)C`

Discussion

7.	The marks (out of 100) obtained by a student in his quarterly examination in various subjects are below : {:(bar("SubjectTeluguHindiEnglishMathsScienceSocial")),(ul("Marks obtained857468907550")):}
Answer»

Discussion

8.	Three numbers a,b and c form aPhythagorean triplet. If a=5, b=12, find c if c is the largest of the three numbers.
Answer» ANSWER :`c=13`.

Discussion

9.	By actural division , express each of the following asa repeating decimal : 16/7
Answer» ANSWER :`2.bar(285714)`

Discussion

10.	Find the area of an isosceles triangle which has: a . Base 16 cm and equal sides 17 cm each. b. base 24 cm and equal sides 20 cm each.
Answer» ANSWER :120 SQ. CM

Discussion

11.	Which of the following is point symmetric?
Answer» SOLUTION :RECTANGLE is POINT SYMMETRIC.

Discussion

12.	Evaluate: 30.03 div 100
Answer» ANSWER :`0.3003`

Discussion

13.	PQRSis a parallegoram whose adjecent sides PQ = 20 cmand QR = 21cm one of its diagonals PR = 13 cm , find :the distancebetween the shorter sides.
Answer» ANSWER :12.6 CM

Discussion

14.	Write down a pair of negative integers whose: a. difference is 5"" b. sum is -4
Answer» ANSWER :a. -5 and -10B. -1 and -3

Discussion

15.	PQRSis a parallegoram whose adjecent sides PQ = 20 cm and QR = 21cm one of its diagonals PR = 13 cm , find :the distance between the longer sides.
Answer» ANSWER :12 CM

Discussion

16.	Find the reciprocal of : b. 1
Answer» ANSWER :`1`

Discussion

17.	Evaluate : 1.2 xx 2.3 xx 0.4
Answer» ANSWER :`(##OXF_SMT_ICSE_MAT_VII_C03_SLV_011_A01##)`

Discussion

18.	If two supplementary angles differ by 36^@ , find the angles.
Answer» ANSWER :`72^@, 108^@`

Discussion

19.	PQRSis a parallegoram whose adjecent sides PQ = 20 cm and QR = 21cm one of its diagonals QS = 13 cm , find :the area of the parallelogram PQRS.
Answer» ANSWER :(i) `252CM^(2)`

Discussion

20.	Solve : 8.345 div 100
Answer» ANSWER :`0.08345`

Discussion

21.	A sheet of paper measures 35 cm by 25 cm . A strip of 5 cm width is cut from it , all around Find the area of the remaining sheet and also the areaofthe cut - out strip.
Answer» ANSWER :`375cm^(2),500CM^(2)`

Discussion

22.	The perimeter of rectangle is 16x^(2)-6x^(2)+12x+4. If one of its sides is 8x^(2)+3x, find the other side.
Answer» SOLUTION :N/A

Discussion

23.	Solve : 0.0345 div 1000
Answer» ANSWER :`0.0000345`

Discussion

24.	Find: b. (15)/(16) xx (4)/(21)
Answer» ANSWER :`= (5)/(28)`

Discussion

25.	A sum of Rs. 500 is in the form of denominations ofRs. 5 and Rs. 10. If the total number of notes is 90,find the number of notes of each type.
Answer» ANSWER :NUMBER of 5-rupee NOTES = 80, Number of 10-rupee notes = 10

Discussion

26.	Convert : 12m^(2)"to"cm^(2)
Answer» ANSWER :`=120000cm^(2)`.

Discussion

27.	A host has arranged 2 bowls of soup for every three guests, one bowl of main dish for every four guests, and a bowl of dessert for every five guests. There are 134 bowls of food at the party. Find the number of guests at the party.
Answer» ANSWER :120

Discussion

28.	Eleven books are stacked on top of each other. If each book is 2.35 cm thick, findthe height of the stack.
Answer» ANSWER :`25.85 CM`

Discussion

29.	Solve: ((t-7))/5=((8-5t))/9
Answer» ANSWER :`t = 103/34`

Discussion

30.	Round off : 9.837to the nearest hundredths.
Answer» ANSWER :9.84

Discussion

31.	Simplify : ((6)/(7) div (2)/(5)) + ((5)/(9) div (27)/( 25))
Answer» ANSWER :`2 (26)/(35)`

Discussion

32.	Raman deposited ₹7600 in a bank. He withdrew ₹3000 after 2 years. At the end of 7 years, he receives an amount of ₹7656. Find the rate of interest.
Answer» ANSWER :0.08

Discussion

33.	Evaluate: 1 (1)/(2) div (1)/(5)
Answer» ` 8 (1)/(2)` ` 7 (1)/(7)` ` 7 (1)/(2)` ` 9 (1)/(2)` ANSWER :C

Discussion

34.	Find the product : 10.007 xx 11.1 xx 2
Answer» ANSWER :`22.21554`

Discussion

35.	Evaluate: 18.018 div 3.9
Answer» ANSWER :`4.62`

Discussion

36.	Reduce (96)/( 128) to its simplest form.
Answer» ANSWER :`3/4`

Discussion

37.	Find the products : 6.8 xx100
Answer» ANSWER :680

Discussion

38.	Find the area of a rectangle whose length is 5 m more than 4 times its breadth, and its perimeter is 60cm.
Answer» ANSWER :125 SQ. CM

Discussion

39.	Find the dimension of a rectangle whose perimeter is 112 cm and whose breadth is 4 cm less than half its length.
Answer» ANSWER :Length 40 CM, breadth 16 cm

Discussion

40.	By actural division , express each of the following asa repeating decimal : 212/143
Answer» ANSWER :`1.bar(482517)`

Discussion

41.	Find the mean proportion between : 7 (1)/(5), 6
Answer» ANSWER :5

Discussion

42.	12 times (28 -15)="________"-(12 times 15)
Answer» `(17 times 28)`, COMMUTATIVE PROPERTY of multiplication `(12 times 28)`, distributive property of multiplication over subtraction `(19 times 28)`, commutative property of multiplication `(17 times 98)`, associative property of multiplication ANSWER :B

Discussion

43.	Marks of 10 students in an English test are as follow, 9,10,7,11,12,6,8,14,15,18. Findmean marks
Answer» `15` `12` `11` `18` ANSWER :C

Discussion

44.	If l : m = 2 (1)/(2) : 1(2)/(3) and m : n = 1 (1)/(4) : 3 (1)/(2) , find l : m : n
Answer» ANSWER :`15 : 10 : 28`

Discussion

45.	Evaluate: 576 div (-32)
Answer» ANSWER :-18

Discussion

46.	Fill in the boxe using the symbols gt ,= or lt. 23.01 square 23.010
Answer» ANSWER :`=`

Discussion

47.	Fill in the blanks 12 mm = "___________" cm = "__________"m
Answer» ANSWER :`0.012 m`

Discussion

48.	Find: d. 4 (4)/(7) xx 5 (3)/(5)
Answer» `25 (3)/(8)` `25 (3)/(7)` `25 (2)/(5)` `25 (3)/(5)` ANSWER :D

Discussion

49.	A man spends one-third of his monthly income on food, one-fourth on children's education, and one-sixth on clothing. He keeps the remaining Rs 7,000 for miscellaneous expenses of the month. Find hismonthly income.
Answer» RS `35,000` Rs `7,000` Rs `28,000` Rs `21,000` ANSWER :C

Discussion

50.	Rahul jogs around a square park every morning. If the side of the square park is 300 m, how many rounds around the park does he need to take if he wants to jog 6 km?
Answer» ANSWER :5 ROUNDS

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Multiply : 4.63xx100

Express each of the following as fraction is simplest form : 0.345

Evaluate: 3.5 div 0.007 - 2.4 [3-(4.7 - 2.65) ]

Find the area of a triangle with base = 18 cm and height = 12 cm.

Find the value of 3x^2-5x+8 for x=3

The temperature on a winter morning at a hill station was -4^(@)C. After 6 hours it rose by 6^(@)C. By evening it had fallen by 3^(@)C. What was the temperature in the evening?

The marks (out of 100) obtained by a student in his quarterly examination in various subjects are below : {:(bar("SubjectTeluguHindiEnglishMathsScienceSocial")),(ul("Marks obtained857468907550")):}

Three numbers a,b and c form aPhythagorean triplet. If a=5, b=12, find c if c is the largest of the three numbers.

By actural division , express each of the following asa repeating decimal : 16/7

Find the area of an isosceles triangle which has: a . Base 16 cm and equal sides 17 cm each. b. base 24 cm and equal sides 20 cm each.

Which of the following is point symmetric?

Evaluate: 30.03 div 100

PQRSis a parallegoram whose adjecent sides PQ = 20 cmand QR = 21cm one of its diagonals PR = 13 cm , find :the distancebetween the shorter sides.

Write down a pair of negative integers whose: a. difference is 5"" b. sum is -4

PQRSis a parallegoram whose adjecent sides PQ = 20 cm and QR = 21cm one of its diagonals PR = 13 cm , find :the distance between the longer sides.

Find the reciprocal of : b. 1

Evaluate : 1.2 xx 2.3 xx 0.4

If two supplementary angles differ by 36^@ , find the angles.

PQRSis a parallegoram whose adjecent sides PQ = 20 cm and QR = 21cm one of its diagonals QS = 13 cm , find :the area of the parallelogram PQRS.

Solve : 8.345 div 100

A sheet of paper measures 35 cm by 25 cm . A strip of 5 cm width is cut from it , all around Find the area of the remaining sheet and also the areaofthe cut - out strip.

The perimeter of rectangle is 16x^(2)-6x^(2)+12x+4. If one of its sides is 8x^(2)+3x, find the other side.

Solve : 0.0345 div 1000

Find: b. (15)/(16) xx (4)/(21)

A sum of Rs. 500 is in the form of denominations ofRs. 5 and Rs. 10. If the total number of notes is 90,find the number of notes of each type.

Convert : 12m^(2)"to"cm^(2)

A host has arranged 2 bowls of soup for every three guests, one bowl of main dish for every four guests, and a bowl of dessert for every five guests. There are 134 bowls of food at the party. Find the number of guests at the party.

Eleven books are stacked on top of each other. If each book is 2.35 cm thick, findthe height of the stack.

Solve: ((t-7))/5=((8-5t))/9

Round off : 9.837to the nearest hundredths.

Simplify : ((6)/(7) div (2)/(5)) + ((5)/(9) div (27)/( 25))

Raman deposited ₹7600 in a bank. He withdrew ₹3000 after 2 years. At the end of 7 years, he receives an amount of ₹7656. Find the rate of interest.

Evaluate: 1 (1)/(2) div (1)/(5)

Find the product : 10.007 xx 11.1 xx 2

Evaluate: 18.018 div 3.9

Reduce (96)/( 128) to its simplest form.

Find the products : 6.8 xx100

Find the area of a rectangle whose length is 5 m more than 4 times its breadth, and its perimeter is 60cm.

Find the dimension of a rectangle whose perimeter is 112 cm and whose breadth is 4 cm less than half its length.

By actural division , express each of the following asa repeating decimal : 212/143

Find the mean proportion between : 7 (1)/(5), 6

12 times (28 -15)="________"-(12 times 15)

Marks of 10 students in an English test are as follow, 9,10,7,11,12,6,8,14,15,18. Findmean marks

If l : m = 2 (1)/(2) : 1(2)/(3) and m : n = 1 (1)/(4) : 3 (1)/(2) , find l : m : n

Evaluate: 576 div (-32)

Fill in the boxe using the symbols gt ,= or lt. 23.01 square 23.010

Fill in the blanks 12 mm = "___________" cm = "__________"m

Find: d. 4 (4)/(7) xx 5 (3)/(5)

A man spends one-third of his monthly income on food, one-fourth on children's education, and one-sixth on clothing. He keeps the remaining Rs 7,000 for miscellaneous expenses of the month. Find hismonthly income.

Rahul jogs around a square park every morning. If the side of the square park is 300 m, how many rounds around the park does he need to take if he wants to jog 6 km?

Fill in the blanks 12 mm = "_" cm = ""m