Milk and water are in ratio 4:6 in a 273 L mixture. Quantity of milk? MCQ with Answer and Explanation
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Question #1
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If a:b = 6:5 and b:c = 5:6, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 6:5, b:c = 5:6 ⇒ a:b:c = 6:5:6.
Combine ratios: a:b = 6:5, b:c = 5:6 ⇒ a:b:c = 6:5:6.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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Ratio of present ages of A and B is 6:6. After 12 years, the ratio becomes 8:7. Present age of A is?
Correct Answer: Option A
Explanation:
Let ages 6k and 6k. Then (6k + 12)/(6k + 12) = 8/7. Solving gives k ≈ 12, age of A = 6*12 = 72.
Let ages 6k and 6k. Then (6k + 12)/(6k + 12) = 8/7. Solving gives k ≈ 12, age of A = 6*12 = 72.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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If a:b = 8:6 and b:c = 6:10, then a:b:c = ?
Correct Answer: Option D
Explanation:
Combine ratios: a:b = 8:6, b:c = 6:10 ⇒ a:b:c = 8:6:10.
Combine ratios: a:b = 8:6, b:c = 6:10 ⇒ a:b:c = 8:6:10.
This question belongs to:
Maths
Ratio and Proportion
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