TNPSC Aptitude Quiz – Ratio and Proportion MCQs for Competitive Exams | TNPSC Quiz

This quiz contains TNPSC style MCQs on Ratio and Proportion designed for Group 1, Group 2, Group 4, CTSE and other Tamil Nadu government exams. The questions cover conceptual understanding, shortcut methods, and application-based aptitude problems frequently asked in TNPSC examinations.

Q1 The ratio between two numbers is 3:5 and their sum is 64. Find the larger number.

Easy

A. 24 B. 40 C. 32 D. 48

Q2 If ₹450 is divided among A, B, and C in the ratio 2:3:4, how much does B receive?

Easy

A. 100 B. 120 C. 150 D. 180

Q3 The ratio of boys to girls in a class is 7:5. If there are 35 boys, how many girls are there?

Easy

A. 20 B. 25 C. 30 D. 40

Q4 If a:b = 4:7 and b:c = 3:5, then find a:b:c.

Medium

A. 4:7:5 B. 12:21:35 C. 12:7:15 D. 4:3:5

Q5 Two numbers are in the ratio 5:8. If the difference between them is 21, find the smaller number.

Medium

A. 35 B. 40 C. 45 D. 56

Q6 If 15 men can complete a work in 12 days, how many days will 20 men take to complete the same work?

Medium

A. 8 Days B. 9 Days C. 10 Days D. 12 Days

Q7 A sum of money is divided between P and Q in the ratio 9:11. If Q gets ₹220 more than P, find the total amount.

Medium

A. 1000 B. 1100 C. 2200 D. 2000

Q8 If x:y = 2:3 and y:z = 4:5, then x:z equals:

Medium

A. 2:5 B. 8:15 C. 4:15 D. 6:10

Q9 The ratio of the ages of father and son is 6:1. After 10 years, the ratio becomes 8:3. Find the present age of the son.

Medium

A. 5 years B. 10 years C. 15 years D. 20 years

Q10 If the cost price and selling price of an article are in the ratio 20:25, what is the profit percentage?

Medium

A. 20% B. 25% C. 30% D. 35%

Q11 A mixture contains milk and water in the ratio 5:2. If 14 litres of water are added, the ratio becomes 5:4. Find the quantity of milk.

Hard

A. 20 litres B. 25 litres C. 35 litres D. 50 litres

Q12 If 8 pencils cost as much as 6 pens, find the ratio of the cost of one pencil to one pen.

Medium

A. 3:4 B. 4:3 C. 6:8 D. 8:6