Two numbers are in the ratio 13:11 and their sum is 287. Find the numbers. MCQ with Answer and Explanation

Two numbers are in the ratio 13:11 and their sum is 287. Find the numbers.
A. 286 and 242
B. 158 and 106
C. 138 and 127
D. 143 and 121
Answer: Option D
Solution (By JKExamLibrary)
Numbers = 13k and 11k. 13k + 11k = 287 ⇒ k = 11. Thus, numbers are 143 and 121.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1 Report Error
Milk and water are in ratio 9:6 in a 433 L mixture. Quantity of milk?
A. 259 L
B. 286 L
C. 518 L
D. 174 L

Correct Answer: Option A


Explanation:
Total parts = 15. Milk = [9 / (9+6)] × 433 = 259 L.

This question belongs to: Maths Ratio and Proportion
Question #2 Report Error
If a:b = 8:4 and b:c = 4:6, then a:b:c = ?
A. 8:5:6
B. 16:8:12
C. 7:4:7
D. 8:4:6

Correct Answer: Option D


Explanation:
Combine ratios: a:b = 8:4, b:c = 4:6 ⇒ a:b:c = 8:4:6.

This question belongs to: Maths Ratio and Proportion
Question #3 Report Error
If a:b = 4:10 and b:c = 10:5, then a:b:c = ?
A. 3:10:6
B. 4:10:5
C. 4:11:5
D. 8:20:10

Correct Answer: Option B


Explanation:
Combine ratios: a:b = 4:10, b:c = 10:5 ⇒ a:b:c = 4:10:5.

This question belongs to: Maths Ratio and Proportion