Question 1

If 12 workers can complete a job in 8 days, how many days will 16 workers take to complete the same job?

Accepted Answer

Step 1: Total work = 12 workers × 8 days = 96 worker-days. Step 2: With 16 workers, days required = 96 ÷ 16 = 6 days.

Question 2

A shopkeeper mixes two types of rice costing ₹40 per kg and ₹60 per kg in the ratio 3:2. What is the cost price per kg of the mixture?

Accepted Answer

Step 1: Rice type 1 costs ₹40/kg, quantity ratio = 3 parts. Rice type 2 costs ₹60/kg, quantity ratio = 2 parts. Step 2: Total cost = (40 × 3) + (60 × 2) = 120 + 120 = 240. Step 3: Total quantity = 3 + 2 = 5 parts. Step 4: Cost per kg = 240/5 = ₹48/kg.

Question 3

A solution contains acid and water in the ratio 2:3. If 10 litres of water is added to 50 litres of this solution, what is the new ratio of acid to water?

Accepted Answer

Step 1: Original solution = 50 litres, ratio acid:water = 2:3, total parts = 5. Acid = (2/5) × 50 = 20 litres, Water = (3/5) × 50 = 30 litres. Step 2: After adding 10 litres of water: Acid = 20 litres (unchanged), Water = 30 + 10 = 40 litres. Step 3: New ratio = 20:40 = 1:2.

Question 4

A sum of ₹1200 is divided among X, Y, and Z in the ratio 2:3:5. How much does Y receive?

Accepted Answer

Step 1: Total parts = 2 + 3 + 5 = 10. Step 2: Y's share = (3/10) × 1200 = 3 × 120 = 360.

Question 5

The ratio of boys to girls in a class is 5:3. If there are 40 boys, how many girls are there in the class?

Accepted Answer

Step 1: Let the ratio be 5x:3x where boys = 5x and girls = 3x. Step 2: Given boys = 40, so 5x = 40, which gives x = 8. Step 3: Number of girls = 3x = 3 × 8 = 24.

IBPS Clerk Ratio & Proportion Questions
with Answers, Trap Analysis & Shortcuts

IBPS Clerk Ratio & Proportion — Exam-Pattern Questions

Study Next — Related Topics

IBPS Clerk Ratio & Proportion Questionswith Answers, Trap Analysis & Shortcuts

IBPS Clerk Ratio & Proportion — Exam-Pattern Questions

Study Next — Related Topics

IBPS Clerk Ratio & Proportion Questions
with Answers, Trap Analysis & Shortcuts