Basic Math For GAT Test Online Preparation For Practice

Math MCQs Quiz 17

1 / 20

A class has 90 students. If the ratio of boys and girls is 7:8, find the number of boys in the class.

A. 48

B. 42

C. 60

D. 70

2 / 20

The ratio of boys and girls in a class was 11:13. 8 girls and 4 boys join the class from this academic year and the ratio becomes 4:5. Find the strength of the class.

A. 96

B. 68

C. 72

D. 108

3 / 20

The perimeter of a triangle is 81 cm. If the sides are in the ratio 4:3:2, find the length of the largest side.

A. 45 cm

B. 40 cm

C. 36 cm

D. 27 cm

4 / 20

M:N = 3:4, N:O = 5:7 and O:P = 7:9. Then M:P =________?

A. 1/3

B. 7/9

C. 5/12

D. None of these

5 / 20

In what ratio should the profit of Rs.8000 be divided if X starts a business with an investment of Rs. 20000, Y invests Rs.7500 for 4 months and Z invests Rs.15000 after 3 months from the start of the business.

A. 16 : 2 : 3

B. 8 : 3 : 6

C. 16 : 2 : 9

D. 6 : 9 : 1

6 / 20

The length and breadth of a rectangle are in the ratio 5:4. Find its perimeter if its area is 180 cm²

A. 54 cm

B. 27 cm

C. 12 cm

D. 15 cm

7 / 20

The plan for a rectangular area is drawn to a scale of 1:500. If the length and breadth in the plan is 30 cm and 20 cm, find the actual area.

A. 1200 m²

B. 1500 m²

C. 12000 m²

D. 15000 m²

8 / 20

The ratio of two numbers a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find b.

A. 15

B. 10

C. 8

D. 5

9 / 20

If X:Y = 2:3, Y:Z = 4:5. Find X:Y:Z.

A. 2:3:5

B. 8:12:15

C. 2:8:5

D. 2:7:5

10 / 20

Find the mean proportion between 5 and 45.

A. 9

B. 15

C. 25

D. 50

11 / 20

Three quantities X, Y and Z are such that XY=kZ where k is constant. Initially, X was at 4 and X:Y:Z was 2:3:4. If the value of Y is changed to 12 and Z is kept constant, find the value of X.

A. 2

B. 3

C. 5

D. 6

12 / 20

A bag contains 50 paise, 1 rupee and 2 rupee coins in the ratio 2:5:8. If the total amount is Rs. 352, find the total number of coins in the bag.

A. 160

B. 200

C. 250

D. 240

13 / 20

In what ratio should the profit be divided if M, N, O invests capital in ratio 2:3:5 and their timing of their investments are in the ratio 4:5:6.

A. 8:15:30

B. 5:18:28

C. 4:5:6

D. 2:3:5

14 / 20

Today is khadija’s birthday. After one year, she will become two times as she was ten years ago. current age of Khadija?

A. 19

B. 20

C. 21

D. 22

15 / 20

What percent of 120 are 90?

A. 25%

B. 50%

C. 75%

D. 33%

16 / 20

If y exceeds x by 20%, then x is less than y by_______?

A. 16%

B. 16 1/3 %

C. 16 2/3 %

D. 16 3/5 %

17 / 20

After decreasing 24% in the price of an article costs Rs.912. Find the actual cost of an article?

A. 1400

B. 1300

C. 1200

D. 1100

18 / 20

How much 60% of 50 is greater than 40% of 30?

A. 18

B. 13

C. 15

D. 20

19 / 20

How much is 80% of 40 is greater than 4/5 of 25?

A. 4

B. 6

C. 9

D. 12

20 / 20

40% of a number is more than 20% of 650 by 190. Find the number?

A. 600

B. 700

C. 800

D. 900

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Basic Math For GAT Test

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Basic Math For GAT Test

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