Find the mean proportional between 4 and 66. MCQ with Answer and Explanation
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Question #1
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If a:b = 3:3 and b:c = 3:10, then a:b:c = ?
Correct Answer: Option A
Explanation:
Combine ratios: a:b = 3:3, b:c = 3:10 ⇒ a:b:c = 3:3:10.
Combine ratios: a:b = 3:3, b:c = 3:10 ⇒ a:b:c = 3:3:10.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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If a:b = 8:5 and b:c = 5:9, then a:b:c = ?
Correct Answer: Option B
Explanation:
Combine ratios: a:b = 8:5, b:c = 5:9 ⇒ a:b:c = 8:5:9.
Combine ratios: a:b = 8:5, b:c = 5:9 ⇒ a:b:c = 8:5:9.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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Two numbers are in the ratio 4:10 and their sum is 595. Find the numbers.
Correct Answer: Option D
Explanation:
Numbers = 4k and 10k. 4k + 10k = 595 ⇒ k = 42. Thus, numbers are 168 and 420.
Numbers = 4k and 10k. 4k + 10k = 595 ⇒ k = 42. Thus, numbers are 168 and 420.
This question belongs to:
Maths
Ratio and Proportion
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