Two numbers are in ratio 6:9. Their difference is 102. What is their sum? MCQ with Answer and Explanation

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Two numbers are in ratio 6:9. Their difference is 102. What is their sum?

A. 341

B. 127

C. 255

D. 303

Answer: Option C

Solution (By JKSSB Mock Tests)

Numbers 6k, 9k. Difference |6-9|k = 102 ⇒ k = 34. Sum = (6+9)k ≈ 255.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 5:8 and b:c = 8:12, then a:b:c = ?

A. 5:8:12

B. 5:9:12

C. 4:8:13

D. 10:16:24

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 5:8, b:c = 8:12 ⇒ a:b:c = 5:8:12.

This question belongs to: Maths Ratio and Proportion

Question #2

Milk and water are in ratio 3:5 in a 587 L mixture. Quantity of milk?

A. 248 L

B. 367 L

C. 440 L

D. 220 L

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Correct Answer: Option D

Explanation:
Total parts = 8. Milk = [3 / (3+5)] × 587 = 220 L.

This question belongs to: Maths Ratio and Proportion

Question #3

Find the mean proportional between 11 and 45.

A. 56

B. 44

C. 25

D. 22

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Correct Answer: Option D

Explanation:
Mean proportional = √(11 × 45) = √(495) = 22.

This question belongs to: Maths Ratio and Proportion

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