Two numbers are in ratio 6:12. Their difference is 108. What is their sum? MCQ with Answer and Explanation

Two numbers are in ratio 6:12. Their difference is 108. What is their sum?
A. 447
B. 207
C. 414
D. 554
Answer: Option C
Solution (By JKSSB Mock Tests)
Numbers 6k, 12k. Difference |6-12|k = 108 ⇒ k = 18. Sum = (6+12)k ≈ 414.

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Practice More Ratio and Proportion Questions

Question #1
Two numbers are in ratio 8:5. Their difference is 125. What is their sum?
A. 519
B. 201
C. 403
D. 445

Correct Answer: Option C


Explanation:
Numbers 8k, 5k. Difference |8-5|k = 125 ⇒ k = 41. Sum = (8+5)k ≈ 403.

This question belongs to: Maths Ratio and Proportion
Question #2
Milk and water are in ratio 9:4 in a 416 L mixture. Quantity of milk?
A. 288 L
B. 313 L
C. 128 L
D. 576 L

Correct Answer: Option A


Explanation:
Total parts = 13. Milk = [9 / (9+4)] × 416 = 288 L.

This question belongs to: Maths Ratio and Proportion
Question #3
If a:b = 8:6 and b:c = 6:12, then a:b:c = ?
A. 8:7:12
B. 8:6:12
C. 16:12:24
D. 7:6:13

Correct Answer: Option B


Explanation:
Combine ratios: a:b = 8:6, b:c = 6:12 ⇒ a:b:c = 8:6:12.

This question belongs to: Maths Ratio and Proportion