Two numbers are in the ratio 4:3 and their sum is 631. Find the numbers. MCQ with Answer and Explanation

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Two numbers are in the ratio 4:3 and their sum is 631. Find the numbers.

A. 380 and 258

B. 360 and 270

C. 347 and 287

D. 720 and 540

Answer: Option B

Solution (By JKSSB Mock Tests)

Numbers = 4k and 3k. 4k + 3k = 631 ⇒ k = 90. Thus, numbers are 360 and 270.

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 = 8:9, then a:b:c = ?

A. 5:8:9

B. 10:16:18

C. 5:9:9

D. 4:8:10

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 5:8, b:c = 8:9 ⇒ a:b:c = 5:8:9.

This question belongs to: Maths Ratio and Proportion

Question #2

Two numbers are in the ratio 8:6 and their sum is 434. Find the numbers.

A. 496 and 372

B. 230 and 206

C. 262 and 167

D. 248 and 186

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Correct Answer: Option D

Explanation:
Numbers = 8k and 6k. 8k + 6k = 434 ⇒ k = 31. Thus, numbers are 248 and 186.

This question belongs to: Maths Ratio and Proportion

Question #3

Milk and water are in ratio 5:6 in a 503 L mixture. Quantity of milk?

A. 456 L

B. 272 L

C. 275 L

D. 228 L

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Correct Answer: Option D

Explanation:
Total parts = 11. Milk = [5 / (5+6)] × 503 = 228 L.

This question belongs to: Maths Ratio and Proportion

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