Two numbers are in the ratio 15:4 and their sum is 182. Find the numbers. MCQ with Answer and Explanation
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Question #1
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Find the mean proportional between 36 and 21.
Correct Answer: Option D
Explanation:
Mean proportional = √(36 × 21) = √(756) = 27.
Mean proportional = √(36 × 21) = √(756) = 27.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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If a:b = 4:8 and b:c = 8:7, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 4:8, b:c = 8:7 ⇒ a:b:c = 4:8:7.
Combine ratios: a:b = 4:8, b:c = 8:7 ⇒ a:b:c = 4:8:7.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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If a:b = 5:5 and b:c = 5:4, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 5:5, b:c = 5:4 ⇒ a:b:c = 5:5:4.
Combine ratios: a:b = 5:5, b:c = 5:4 ⇒ a:b:c = 5:5:4.
This question belongs to:
Maths
Ratio and Proportion
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