Two numbers are in ratio 9:12. Their difference is 74. What is their sum? MCQ with Answer and Explanation
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Question #1
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If a:b = 4:10 and b:c = 10:5, then a:b:c = ?
Correct Answer: Option D
Explanation:
Combine ratios: a:b = 4:10, b:c = 10:5 ⇒ a:b:c = 4:10:5.
Combine ratios: a:b = 4:10, b:c = 10:5 ⇒ a:b:c = 4:10:5.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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If a:b = 6:10 and b:c = 10:8, then a:b:c = ?
Correct Answer: Option B
Explanation:
Combine ratios: a:b = 6:10, b:c = 10:8 ⇒ a:b:c = 6:10:8.
Combine ratios: a:b = 6:10, b:c = 10:8 ⇒ a:b:c = 6:10:8.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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If a:b = 3:8 and b:c = 8:10, then a:b:c = ?
Correct Answer: Option A
Explanation:
Combine ratios: a:b = 3:8, b:c = 8:10 ⇒ a:b:c = 3:8:10.
Combine ratios: a:b = 3:8, b:c = 8:10 ⇒ a:b:c = 3:8:10.
This question belongs to:
Maths
Ratio and Proportion
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