Two numbers are in ratio 7:12. Their difference is 121. What is their sum? MCQ with Answer and Explanation

Two numbers are in ratio 7:12. Their difference is 121. What is their sum?
A. 326
B. 218
C. 190
D. 95
Answer: Option C
Solution (By JKSSB Mock Tests)
Numbers 7k, 12k. Difference |7-12|k = 121 ⇒ k = 24. Sum = (7+12)k ≈ 190.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Ratio and Proportion Questions

Question #1
Two numbers are in ratio 7:4. Their difference is 73. What is their sum?
A. 297
B. 594
C. 636
D. 734

Correct Answer: Option B


Explanation:
Numbers 7k, 4k. Difference |7-4|k = 73 ⇒ k = 24. Sum = (7+4)k ≈ 594.

This question belongs to: Maths Ratio and Proportion
Question #2
If a:b = 7:7 and b:c = 7:6, then a:b:c = ?
A. 6:7:7
B. 7:8:6
C. 14:14:12
D. 7:7:6

Correct Answer: Option D


Explanation:
Combine ratios: a:b = 7:7, b:c = 7:6 ⇒ a:b:c = 7:7:6.

This question belongs to: Maths Ratio and Proportion
Question #3
Find the mean proportional between 16 and 72.
A. 66
B. 36
C. 33
D. 88

Correct Answer: Option C


Explanation:
Mean proportional = √(16 × 72) = √(1152) = 33.

This question belongs to: Maths Ratio and Proportion