Aptitude - Ration and Proportion

Quantitative Aptitude contains various topics such as average, numbers, compound interests, partnership, problem on ages, calendar, boats and streams, clock, height and distance, percentage, pipes and cisterns, profit and loss, speed, time and distance, simple interest, problem on trains, time and work, etc. Here we have provided some questions from the topic of Ration and Proportion. Kindly practice the given below questions.

Your are right.

1. The fourth proportional to 5, 8, 15 is:

2. If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

3. The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:

4. If 0.75 : x :: 5 : 8, then x is equal to:

5. Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit salary?

6. In a college, the ratio of the number of boys and girls 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?

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

8. A school Administration has allocated the seats for Mathematics, Physics and Biology in the ratio of 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?

9. Particular amount was 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 share?

10. Two numbers are respectively 20% and 50% more than a third number. Calculate the ratio of the two numbers?

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