Two numbers are in ratio 6:8. Their difference is 69. What is their sum? MCQ with Answer and Explanation

Two numbers are in ratio 6:8. Their difference is 69. What is their sum?
A. 283
B. 224
C. 368
D. 112
Answer: Option B
Solution (By JKSSB Mock Tests)
Numbers 6k, 8k. Difference |6-8|k = 69 ⇒ k = 34. Sum = (6+8)k ≈ 224.

Discuss this Question (0)

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

Practice More Ratio and Proportion Questions

Question #1
If a:b = 2:5 and b:c = 5:7, then a:b:c = ?
A. 2:6:7
B. 2:5:7
C. 4:10:14
D. 1:5:8

Correct Answer: Option B


Explanation:
Combine ratios: a:b = 2:5, b:c = 5:7 ⇒ a:b:c = 2:5:7.

This question belongs to: Maths Ratio and Proportion
Question #2
Ratio of present ages of A and B is 7:5. After 10 years, the ratio becomes 8:8. Present age of A is?
A. 127 years
B. 266 years
C. 133 years
D. 138 years

Correct Answer: Option C


Explanation:
Let ages 7k and 5k. Then (7k + 10)/(5k + 10) = 8/8. Solving gives k ≈ 19, age of A = 7*19 = 133.

This question belongs to: Maths Ratio and Proportion
Question #3
If a:b = 3:5 and b:c = 5:6, then a:b:c = ?
A. 3:6:6
B. 3:5:6
C. 2:5:7
D. 6:10:12

Correct Answer: Option B


Explanation:
Combine ratios: a:b = 3:5, b:c = 5:6 ⇒ a:b:c = 3:5:6.

This question belongs to: Maths Ratio and Proportion