If a:b = 4:4 and b:c = 4:4, then a:b:c = ? MCQ with Answer and Explanation

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

A. 4:5:4

B. 4:4:4

C. 3:4:5

D. 8:8:8

Answer: Option B

Solution (By JKSSB Mock Tests)

Combine ratios: a:b = 4:4, b:c = 4:4 ⇒ a:b:c = 4:4:4.

This question belongs to: Maths Ratio and Proportion

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Question #1

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Milk and water are in ratio 8:3 in a 249 L mixture. Quantity of milk?

A. 210 L

B. 362 L

C. 68 L

D. 181 L

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Correct Answer: Option D

Explanation:
Total parts = 11. Milk = [8 / (8+3)] × 249 = 181 L.

This question belongs to: Maths Ratio and Proportion

Question #2

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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. 133 years

C. 138 years

D. 266 years

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Correct Answer: Option B

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

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

A. 272 L

B. 228 L

C. 275 L

D. 456 L

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Correct Answer: Option B

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

This question belongs to: Maths Ratio and Proportion

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