Two numbers are in ratio 7:12. Their difference is 133. What is their sum? MCQ with Answer and Explanation

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Two numbers are in ratio 7:12. Their difference is 133. What is their sum?

A. 199

B. 434

C. 399

D. 507

Answer: Option C

Solution (By JKExamLibrary)

Numbers 7k, 12k. Difference |7-12|k = 133 ⇒ k = 26. Sum = (7+12)k ≈ 399.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1 Report Error

Milk and water are in ratio 7:7 in a 233 L mixture. Quantity of milk?

A. 116 L

B. 138 L

C. 232 L

D. 117 L

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
Total parts = 14. Milk = [7 / (7+7)] × 233 = 116 L.

This question belongs to: Maths Ratio and Proportion

Question #2 Report Error

If a:b = 2:8 and b:c = 8:11, then a:b:c = ?

A. 2:8:11

B. 1:8:12

C. 2:9:11

D. 4:16:22

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
Combine ratios: a:b = 2:8, b:c = 8:11 ⇒ a:b:c = 2:8:11.

This question belongs to: Maths Ratio and Proportion

Question #3 Report Error

If a:b = 8:3 and b:c = 3:6, then a:b:c = ?

A. 8:3:6

B. 16:6:12

C. 8:4:6

D. 7:3:7

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
Combine ratios: a:b = 8:3, b:c = 3:6 ⇒ a:b:c = 8:3:6.

This question belongs to: Maths Ratio and Proportion

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