In a mixture of 70 litres, the ratio of milk to water is 5:2. How much water must be added to make the ratio 2:3? MCQ with Answer and Explanation
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Question #1
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72% passed an exam. Failures = 560. Total examinees:
Correct Answer: Option A
Explanation:
28% = 560, total = 560/0.28 = 2000.
28% = 560, total = 560/0.28 = 2000.
This question belongs to:
Maths
Percentage
Question #2
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If the numerator of a fraction is increased by 50% and denominator decreased by 25%, the fraction becomes 3/2. Original fraction:
Correct Answer: Option B
Explanation:
(1.5a)/(0.75b) = 2a/b = 3/2 → a/b = 3/4.
(1.5a)/(0.75b) = 2a/b = 3/2 → a/b = 3/4.
This question belongs to:
Maths
Percentage
Question #3
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Value of a scooter depreciates 10% per year. Price 40,000, after 1 year value is:
Correct Answer: Option B
Explanation:
40,000 × 0.9 = 36,000.
40,000 × 0.9 = 36,000.
This question belongs to:
Maths
Percentage
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