If a:b = 5:8 and b:c = 8:11, then a:b:c = ? MCQ with Answer and Explanation
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Question #1
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If a:b = 8:9 and b:c = 9:8, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 8:9, b:c = 9:8 ⇒ a:b:c = 8:9:8.
Combine ratios: a:b = 8:9, b:c = 9:8 ⇒ a:b:c = 8:9:8.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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If a:b = 3:6 and b:c = 6:7, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 3:6, b:c = 6:7 ⇒ a:b:c = 3:6:7.
Combine ratios: a:b = 3:6, b:c = 6:7 ⇒ a:b:c = 3:6:7.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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Two numbers are in ratio 6:4. Their difference is 60. What is their sum?
Correct Answer: Option D
Explanation:
Numbers 6k, 4k. Difference |6-4|k = 60 ⇒ k = 30. Sum = (6+4)k ≈ 350.
Numbers 6k, 4k. Difference |6-4|k = 60 ⇒ k = 30. Sum = (6+4)k ≈ 350.
This question belongs to:
Maths
Ratio and Proportion
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