Milk and water are in ratio 5:6 in a 503 L mixture. Quantity of milk? MCQ with Answer and Explanation
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Question #1
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Milk and water are in ratio 4:7 in a 249 L mixture. Quantity of milk?
Correct Answer: Option B
Explanation:
Total parts = 11. Milk = [4 / (4+7)] × 249 = 90 L.
Total parts = 11. Milk = [4 / (4+7)] × 249 = 90 L.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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If a:b = 7:8 and b:c = 8:9, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 7:8, b:c = 8:9 ⇒ a:b:c = 7:8:9.
Combine ratios: a:b = 7:8, b:c = 8:9 ⇒ a:b:c = 7:8:9.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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Two numbers are in ratio 9:4. Their difference is 40. What is their sum?
Correct Answer: Option C
Explanation:
Numbers 9k, 4k. Difference |9-4|k = 40 ⇒ k = 8. Sum = (9+4)k ≈ 572.
Numbers 9k, 4k. Difference |9-4|k = 40 ⇒ k = 8. Sum = (9+4)k ≈ 572.
This question belongs to:
Maths
Ratio and Proportion
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