Two numbers are in ratio 11:9. Their difference is 111. What is their sum? MCQ with Answer and Explanation
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Question #1
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If a:b = 6:3 and b:c = 3:6, then a:b:c = ?
Correct Answer: Option D
Explanation:
Combine ratios: a:b = 6:3, b:c = 3:6 ⇒ a:b:c = 6:3:6.
Combine ratios: a:b = 6:3, b:c = 3:6 ⇒ a:b:c = 6:3:6.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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If a:b = 2:9 and b:c = 9:4, then a:b:c = ?
Correct Answer: Option A
Explanation:
Combine ratios: a:b = 2:9, b:c = 9:4 ⇒ a:b:c = 2:9:4.
Combine ratios: a:b = 2:9, b:c = 9:4 ⇒ a:b:c = 2:9:4.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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Two numbers are in the ratio 3:4 and their sum is 120. Find the numbers.
Correct Answer: Option D
Explanation:
Numbers = 3k and 4k. 3k + 4k = 120 ⇒ k = 17. Thus, numbers are 51 and 68.
Numbers = 3k and 4k. 3k + 4k = 120 ⇒ k = 17. Thus, numbers are 51 and 68.
This question belongs to:
Maths
Ratio and Proportion
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