Ratio & Proportion

Delhi Law Academy

Q1. Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

A. 2:5

B. 3:5

C. 4:5

D. 6:7

Q2. A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B’s share?

A. 500

B. 1500

C. 2000

D. None of these

Q3. Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?

A. 2:3:4

B. 6:7:8

C. 6:8:9

D. None of these

Q4. In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be further added is:

A. 20 litres

B. 30 litres

C. 40 litres

D. 60 litres

Q5. The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

A. 8:9

B. 17:18

C. 21:22

D. None of these

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