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