Two numbers are in ratio 11:7. Their difference is 58. What is their sum? MCQ with Answer and Explanation
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Question #1
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If a:b = 6:7 and b:c = 7:4, then a:b:c = ?
Correct Answer: Option B
Explanation:
Combine ratios: a:b = 6:7, b:c = 7:4 ⇒ a:b:c = 6:7:4.
Combine ratios: a:b = 6:7, b:c = 7:4 ⇒ a:b:c = 6:7:4.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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Find the mean proportional between 11 and 61.
Correct Answer: Option A
Explanation:
Mean proportional = √(11 × 61) = √(671) = 25.
Mean proportional = √(11 × 61) = √(671) = 25.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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If a:b = 8:4 and b:c = 4:11, then a:b:c = ?
Correct Answer: Option B
Explanation:
Combine ratios: a:b = 8:4, b:c = 4:11 ⇒ a:b:c = 8:4:11.
Combine ratios: a:b = 8:4, b:c = 4:11 ⇒ a:b:c = 8:4:11.
This question belongs to:
Maths
Ratio and Proportion
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