1907 + Interview Questions in Maths in Class 7

1.	Find: b. (3)/(4) of 5 kg
Answer» ANSWER :3 KG 750 G

Discussion

2.	Kapil and his two friends went on a hiking trip. They started from a place 3600 m high. They climbed 3120 m and reached to the top of a hill. Then they walked 300 m on the hill range at the same level. Again they climbed down to a valley 1560 m from the top of the hill range. After walking another 400 m at this level, they climbed up for about 820 m and camped. At what height from the ground did they pitch the camp?
Answer» ANSWER :5980 m

Discussion

3.	Fill in the blanks and state the property used. 0+(-8)=(-8)+"________"
Answer» `0` PROPERTY used : associative IDENTIFY `0` Property used : Additive identify `8` Property used : Additive identify `0` Property used : distributive identify Answer :B

Discussion

4.	Divide ₹3500 into two parts so that simple interest on the first part when deposited for 2 years at 15% per annum and that on the second part when deposited for 3 years at 16% per annum in a bank add to give the total interest of ₹1320.
Answer» ANSWER :`16%`

Discussion

5.	Evaluate: 3.68 xx 7
Answer» ANSWER :`25.76`

Discussion

6.	Simplify : i. (1 (5)/(7) xx (7)/(10) )- ((3)/(5) div (9)/(10))
Answer» ANSWER :`(8)/(15)`

Discussion

7.	Evaluate: 5.75 div 25
Answer» ANSWER :`0.23`

Discussion

8.	Classify into monomials, binomials and trinomials. 3x^2+xy-4yx
Answer» ANSWER :BINOMIAL

Discussion

9.	A collection of 31 'distinct numbers has 18 as their median. When a number is added to this collection, the median remains the same. What number is added?
Answer» ANSWER :18

Discussion

10.	Find: a. 12 xx (5)/(24)
Answer» `2(1)/(2)` `2(5)/(7)` `9(1)/(2)` `15(1)/(2)` ANSWER :A

Discussion

11.	Fill in the blanks and write the property used in each of the following. 7+[(-5)+(-8)]="______"+(-8)
Answer» ANSWER :`[7+(-5)]`, associative property for MULTIPLICATION

Discussion

12.	Solve : 12458.20 div 1000
Answer» ANSWER :`12.4582`

Discussion

13.	A sum of money lent out at simple interest amounts to ₹1900 in 1 year and to ₹2800 in 4 year. Find the rate of interest and the sum of money.
Answer» <P> ANSWER :R= 18.75%,P= ₹ 1600

Discussion

14.	Vinay sold a plot of land for Rs. 143000, gaining 4%. For how much did he purchase the plot?
Answer» SOLUTION :N/A

Discussion

15.	Find three consecutive multiples of 4 that add upto 84.
Answer» ANSWER :24,28,32

Discussion

16.	Subtract : 2.975 from8.23
Answer» ANSWER :5.255

Discussion

17.	Find the area of a square of side 8 m.
Answer» ANSWER :64 SQ. m

Discussion

18.	Express the as indicated. One has been done for you. 5 mL as L
Answer» ANSWER :`0.000005`

Discussion

19.	Solve 25.4 +[5.1 - [((10.5 div 7) + 4.1)+4.1] + 6.9 ] 0.4
Answer» ANSWER :`26.32`

Discussion

20.	Subtract 6x^(3) -5x^(2)+4x-3 from the sum x+2x^(2)-3x^(3) and 2-x^(2)+6x-x^(3).
Answer» SOLUTION :N/A

Discussion

21.	Fill in the blanks. 250 cm = "_________" mm = "_______"m= "_______" km
Answer» ANSWER :`2500; 2.5 0.0025`

Discussion

22.	Find the mean proportion between (1)/(25) and (1)/(16)
Answer» ANSWER :`(1)/(20)`

Discussion

23.	Find the product : 2.35 xx7.2
Answer» ANSWER :16.92

Discussion

24.	Multiply:i 16 by 9ii 18 by-6iii 36 by-11iv -28 by 14v -53 by 18vi -35 by 0vii0 by -23viii -16 by-12ix -105 by-8x -36 by-50xi -28by-1xii 25 by -11
Answer» Answer :i144 II -108 iii -296 iv -392 v -954 VI 0 vii 0 viii 192 ix 840 x 1800 xi 28 xii -275

Discussion

25.	Solve: 939.9 div 0.241
Answer» ANSWER :`3900`

Discussion

26.	State the associative property of multiplication for integers taking a, b, c as any three integers.
Answer» ANSWER :`(a TIMES B) times C=a times (b times c)`

Discussion

27.	Two friends need a triangular chart paper for a project. They buy a rectangular chart paper of length 30 inches and breadth 20 inches. They cut is across the diagonal and keep one piece each for their respective projects. Find the area of each friend's chart paper.
Answer» ANSWER :300 SQ. INCH

Discussion

28.	Convert 0.bar7 to a vulgar fraction.
Answer» ANSWER :`7/9`

Discussion

29.	Round off each of the following to the nearest whole number : 98.5
Answer» ANSWER :99

Discussion

30.	Fill in the blanks:i {(-13) + 27} + (-41) = (-13) + {27 + (...)}ii (-26) + {(-49) + (-83)} = {(-26) + (-49)} + (...)iii 53+(-37) = (-37)+ (...)iv (-68) + (-76) = (...) + (-68)v (-72)+ (...) =-72vi -(-83)=….vii (-60)-(...) = -59viii (-31)-+-(...) = -40
Answer» ANSWER :i-41 ii -83 iii 53 IV -76 v 0 vi 83 vii -1 viii -9

Discussion

31.	Two two adjacent sides of a rectangel are 3a-b and 6b-a. Find its perimeter.
Answer» SOLUTION :N/A

Discussion

32.	Evaluate in a way in which the multiplication process is simplified. Also, state the properties of multiplication used in the process. a. 376 times 52"b. "76 times 98
Answer» ANSWER :a. 19,522 DISTRIBUTIVE property of MULTIPLICATION over ADDITION b. 7,448, distributive property of multiplication over SUBTRACTION

Discussion

33.	Evaluate: 3.078 div 9
Answer» ANSWER :`0.342`

Discussion

34.	Divide ₹ 715 among A, B, C in such a way that B gets three times as much as A gets and C gets half of as much as B gets .
Answer» ANSWER :A's SHARE =₹130, B's share =₹390, C's share =₹195

Discussion

35.	Simplify : 6a^(2)+3ab+5b^(2)-2ab-b^(2)+2a^(2)+4ab+2b^(2)-a^(2).
Answer» SOLUTION :N/A

Discussion

36.	Find (2)/(3) of :2 (3)/(8)
Answer» ANSWER :1` (7)/(12)`

Discussion

37.	Compare the fractions: c. (8)/(14) square (48)/(84)
Answer» ANSWER :`=`

Discussion

38.	Evaluate: 35.9 - 2.1 xx 0.9 + 17.2 div 0.4 - 0.4
Answer» ANSWER :`76.61`

Discussion

39.	Evaluate : 2.34 xx 11
Answer» `25.74` `25.14` `25.79` `27.74` ANSWER :A

Discussion

40.	There are 30 objective-type questions in an examination. For every correct answer, a student scores 5 marks and forvery incorrect answer, 3 marks are deducted. If a student attempts all the questions and scores 94 marks, find how many questions he answered correctly.
Answer» ANSWER :23 QUESTIONS

Discussion

41.	A log of wood 6 2/7m in length, was cut into 11 pieces. What is the length of each piece?
Answer» ANSWER :`4/7 ` M

Discussion

42.	A man buys 17.5 kg of rice for "Rs 936.25." find the price of 1 kg of rice.
Answer» `"RS 53.50"` `"Rs 58.50"` `"Rs 93.50"` `"Rs 53.70"` ANSWER :A

Discussion

43.	A test paper has 20 multiple-choice questions. Each correct answer is awarded 3 marks but -2 marks are given for every wrong answer. No marks are awarded or deducted for questions that are not attempted. a. Sia attempts all questions. She gets only 12 questions correct. How many marks did she score in this test? b. Rajshree scores 5 marks in a test. If she answers 7 questions correctly, find the number of questions she did not answer correctly, and also the number of questions she did not attempt.
Answer» ANSWER :a. 20 B. RAJSHREE ANSWERED 8 questions incorrectly and did not attempt 5 questions.

Discussion

44.	Convert the as directed 110 sq. m into sq. km
Answer» ANSWER :`0.0011sq. KM`

Discussion

45.	Find n if(5^(3))^(4)=(5^(2))^(n)
Answer» ANSWER :`n=6`

Discussion

46.	Deepti received Rs500 as pocket money. She boughta new dress using 40% of her pocket money. She bought crackers worth Rs100 and also a gift for her parents with the remaining amount. What was the cost of the gift she bought for her parents?
Answer» ANSWER :RS. 200

Discussion

47.	Express the as indicated. One has been done for you. 18 cm as m
Answer» ANSWER :`0.00018`

Discussion

48.	Express 2/3 as a recurring decimal.
Answer» ANSWER :`0.bar6`

Discussion

49.	State true or false. (a) A median of a triangle may lie outside the triangle. (b). The medians of a triangle meet at more than one points. (c) The centroid of a triangle always lies inside the triangle.
Answer» ANSWER :(a) FALSE (B) False (C) TRUE.

Discussion

50.	Ajay starts from his house to his office by his car which is 15 km away at an average speed of 45 km per hour. On the way back, he takes a route longer by 5 km since there is heavy traffic on the regular route. If he reaches home in the same time as the time he took to reach office in the morning, find his speed on thereturn journey.
Answer» ANSWER :60 km/hr

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Find: b. (3)/(4) of 5 kg

Fill in the blanks and state the property used. 0+(-8)=(-8)+"________"

Divide ₹3500 into two parts so that simple interest on the first part when deposited for 2 years at 15% per annum and that on the second part when deposited for 3 years at 16% per annum in a bank add to give the total interest of ₹1320.

Evaluate: 3.68 xx 7

Simplify : i. (1 (5)/(7) xx (7)/(10) )- ((3)/(5) div (9)/(10))

Evaluate: 5.75 div 25

Classify into monomials, binomials and trinomials. 3x^2+xy-4yx

A collection of 31 'distinct numbers has 18 as their median. When a number is added to this collection, the median remains the same. What number is added?

Find: a. 12 xx (5)/(24)

Fill in the blanks and write the property used in each of the following. 7+[(-5)+(-8)]="______"+(-8)

Solve : 12458.20 div 1000

A sum of money lent out at simple interest amounts to ₹1900 in 1 year and to ₹2800 in 4 year. Find the rate of interest and the sum of money.

Vinay sold a plot of land for Rs. 143000, gaining 4%. For how much did he purchase the plot?

Find three consecutive multiples of 4 that add upto 84.

Subtract : 2.975 from8.23

Find the area of a square of side 8 m.

Express the as indicated. One has been done for you. 5 mL as L

Solve 25.4 +[5.1 - [((10.5 div 7) + 4.1)+4.1] + 6.9 ] 0.4

Subtract 6x^(3) -5x^(2)+4x-3 from the sum x+2x^(2)-3x^(3) and 2-x^(2)+6x-x^(3).

Fill in the blanks. 250 cm = "_________" mm = "_______"m= "_______" km

Find the mean proportion between (1)/(25) and (1)/(16)

Find the product : 2.35 xx7.2

Multiply:i 16 by 9ii 18 by-6iii 36 by-11iv -28 by 14v -53 by 18vi -35 by 0vii0 by -23viii -16 by-12ix -105 by-8x -36 by-50xi -28by-1xii 25 by -11

Solve: 939.9 div 0.241

State the associative property of multiplication for integers taking a, b, c as any three integers.

Two friends need a triangular chart paper for a project. They buy a rectangular chart paper of length 30 inches and breadth 20 inches. They cut is across the diagonal and keep one piece each for their respective projects. Find the area of each friend's chart paper.

Convert 0.bar7 to a vulgar fraction.

Round off each of the following to the nearest whole number : 98.5

Fill in the blanks:i {(-13) + 27} + (-41) = (-13) + {27 + (...)}ii (-26) + {(-49) + (-83)} = {(-26) + (-49)} + (...)iii 53+(-37) = (-37)+ (...)iv (-68) + (-76) = (...) + (-68)v (-72)+ (...) =-72vi -(-83)=….vii (-60)-(...) = -59viii (-31)-+-(...) = -40

Two two adjacent sides of a rectangel are 3a-b and 6b-a. Find its perimeter.

Evaluate in a way in which the multiplication process is simplified. Also, state the properties of multiplication used in the process. a. 376 times 52"b. "76 times 98

Evaluate: 3.078 div 9

Divide ₹ 715 among A, B, C in such a way that B gets three times as much as A gets and C gets half of as much as B gets .

Simplify : 6a^(2)+3ab+5b^(2)-2ab-b^(2)+2a^(2)+4ab+2b^(2)-a^(2).

Find (2)/(3) of :2 (3)/(8)

Compare the fractions: c. (8)/(14) square (48)/(84)

Evaluate: 35.9 - 2.1 xx 0.9 + 17.2 div 0.4 - 0.4

Evaluate : 2.34 xx 11

There are 30 objective-type questions in an examination. For every correct answer, a student scores 5 marks and forvery incorrect answer, 3 marks are deducted. If a student attempts all the questions and scores 94 marks, find how many questions he answered correctly.

A log of wood 6 2/7m in length, was cut into 11 pieces. What is the length of each piece?

A man buys 17.5 kg of rice for "Rs 936.25." find the price of 1 kg of rice.

Convert the as directed 110 sq. m into sq. km

Find n if(5^(3))^(4)=(5^(2))^(n)

Deepti received Rs500 as pocket money. She boughta new dress using 40% of her pocket money. She bought crackers worth Rs100 and also a gift for her parents with the remaining amount. What was the cost of the gift she bought for her parents?

Express the as indicated. One has been done for you. 18 cm as m

Express 2/3 as a recurring decimal.

State true or false. (a) A median of a triangle may lie outside the triangle. (b). The medians of a triangle meet at more than one points. (c) The centroid of a triangle always lies inside the triangle.

Fill in the blanks. 250 cm = "_____" mm = "_"m= "_____" km