Ratio of present ages of A and B is 3:6. After 11 years, the ratio becomes 5:9. Present age of A is? MCQ with Answer and Explanation
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Question #1
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If a:b = 4:5 and b:c = 5:9, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 4:5, b:c = 5:9 ⇒ a:b:c = 4:5:9.
Combine ratios: a:b = 4:5, b:c = 5:9 ⇒ a:b:c = 4:5:9.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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If a:b = 8:3 and b:c = 3:9, then a:b:c = ?
Correct Answer: Option D
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 #3
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If a:b = 4:7 and b:c = 7:10, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 4:7, b:c = 7:10 ⇒ a:b:c = 4:7:10.
Combine ratios: a:b = 4:7, b:c = 7:10 ⇒ a:b:c = 4:7:10.
This question belongs to:
Maths
Ratio and Proportion
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