If a:b = 5:10 and b:c = 10:10, then a:b:c = ? MCQ with Answer and Explanation

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If a:b = 5:10 and b:c = 10:10, then a:b:c = ?

A. 4:10:11

B. 10:20:20

C. 5:11:10

D. 5:10:10

Answer: Option D

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

Milk and water are in ratio 4:3 in a 255 L mixture. Quantity of milk?

A. 290 L

B. 110 L

C. 191 L

D. 145 L

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Correct Answer: Option D

Explanation:
Total parts = 7. Milk = [4 / (4+3)] × 255 = 145 L.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 2:8 and b:c = 8:4, then a:b:c = ?

A. 2:9:4

B. 4:16:8

C. 1:8:5

D. 2:8:4

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 2:8, b:c = 8:4 ⇒ a:b:c = 2:8:4.

This question belongs to: Maths Ratio and Proportion

Question #3

Milk and water are in ratio 8:2 in a 253 L mixture. Quantity of milk?

A. 245 L

B. 404 L

C. 51 L

D. 202 L

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Correct Answer: Option D

Explanation:
Total parts = 10. Milk = [8 / (8+2)] × 253 = 202 L.

This question belongs to: Maths Ratio and Proportion

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