Two numbers are in ratio 4:12. Their difference is 122. What is their sum? MCQ with Answer and Explanation

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Two numbers are in ratio 4:12. Their difference is 122. What is their sum?

A. 244

B. 104

C. 338

D. 208

Answer: Option D

Solution (By JKSSB Mock Tests)

Numbers 4k, 12k. Difference |4-12|k = 122 ⇒ k = 15. Sum = (4+12)k ≈ 208.

This question belongs to: Maths Ratio and Proportion

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Question #1

If a:b = 4:5 and b:c = 5:11, then a:b:c = ?

A. 3:5:12

B. 8:10:22

C. 4:6:11

D. 4:5:11

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 4:5, b:c = 5:11 ⇒ a:b:c = 4:5:11.

This question belongs to: Maths Ratio and Proportion

Question #2

Two numbers are in ratio 9:7. Their difference is 150. What is their sum?

A. 326

B. 423

C. 144

D. 288

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Correct Answer: Option D

Explanation:
Numbers 9k, 7k. Difference |9-7|k = 150 ⇒ k = 75. Sum = (9+7)k ≈ 288.

This question belongs to: Maths Ratio and Proportion

Question #3

Milk and water are in ratio 5:3 in a 366 L mixture. Quantity of milk?

A. 228 L

B. 138 L

C. 270 L

D. 456 L

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Correct Answer: Option A

Explanation:
Total parts = 8. Milk = [5 / (5+3)] × 366 = 228 L.

This question belongs to: Maths Ratio and Proportion

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