Category Archives: Ratio And Proportion

Thera are 1100 boys and 900 girls in a school. 50% boys and 40% girls are present. The total number of students present are:

A. 53.5%
B. 54.5%
C. 55.5%
D. None of the Above

if 60 women spin 48kg of cotton by working 8 hours daily, how much cotton will 30 women spin by working 12-hour daily

A. 30
B. 36
C. 40
D. None of these

If x = 3 + √8. find the value of x^2 + 1/x^2

A. 30
B. 34
C. 38
D. None of these

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A cube has a volume of B cubic meters. If each side is doubled in length what will it new volume be in cubic meters?

A. 16
B. 32
C. 48
D. 64

Akram thought of a number, added 7 multiplied by 3, took away 5 and divided by 4 to five an answer of 7. What was the starting number?

A. 2
B. 3
C. 4
D. 5

The average age of A, B and C is 45. Furthermore, average age of A and B is 40 and of B and C is 43. Find the age of B?

A. 32
B. 31
C. 33
D. 34

If sum of two numbers is 30 and their difference is 8, what is their product?

A. 200
B. 201
C. 209
D. None of These

In a class of 20 Boys and 28 girls what percent of the class are girls?

A. 41.7%
B. 48%
C. 58.3%
D. 70%

A Father is twice as old as his son. 20 Years ago the age of the father was 12 times the age of the son. The present age of the father is?

A. 44 Years
B. 32 Years
C. 22 Years
D. 50 Years

A batsman scored 120 runs which included 9 boundaries and 4 sixes. What percent of his total score did he make by running between the wickets??

A. 45%
B. 50%
C. 55%
D. 60% Continue reading