If a:b = 6:10 and b:c = 10:8, then a:b:c = ? MCQ with Answer and Explanation
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Question #1
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If a:b = 8:3 and b:c = 3:9, then a:b:c = ?
Correct Answer: Option A
Explanation:
Combine ratios: a:b = 8:3, b:c = 3:9 ⇒ a:b:c = 8:3:9.
Combine ratios: a:b = 8:3, b:c = 3:9 ⇒ a:b:c = 8:3:9.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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If a:b = 3:7 and b:c = 7:11, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 3:7, b:c = 7:11 ⇒ a:b:c = 3:7:11.
Combine ratios: a:b = 3:7, b:c = 7:11 ⇒ a:b:c = 3:7:11.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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Find the mean proportional between 17 and 42.
Correct Answer: Option B
Explanation:
Mean proportional = √(17 × 42) = √(714) = 26.
Mean proportional = √(17 × 42) = √(714) = 26.
This question belongs to:
Maths
Ratio and Proportion
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