A gets 25% more than B, B gets 20% more than C. C=500, A's share: MCQ with Answer and Explanation
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Question #1
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Original salary 20000, increased 10% then decreased 10%. Final salary:
Correct Answer: Option B
Explanation:
20000×1.1×0.9 = 19800.
20000×1.1×0.9 = 19800.
This question belongs to:
Maths
Percentage
Question #2
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A student scored 20% marks and failed by 36 marks. Another student scored 30% marks and got 24 marks more than the passing marks. Find the passing marks.
Correct Answer: Option D
Explanation:
0.2M + 36 = 0.3M - 24 → 0.1M = 60 → M = 600. Passing marks = 0.2×600+36 = 156.
0.2M + 36 = 0.3M - 24 → 0.1M = 60 → M = 600. Passing marks = 0.2×600+36 = 156.
This question belongs to:
Maths
Percentage
Question #3
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A man's income Rs. 15000. Spends 40% food, 20% rent, 15% education, 10% others. By what % reduce food expenditure to increase savings by 25%?
Correct Answer: Option A
Explanation:
Present savings 15% = 2250, food=6000. New savings 2812.5, increase 562.5 from food reduction. % reduction = (562.5/6000)×100 = 9.375%.
Present savings 15% = 2250, food=6000. New savings 2812.5, increase 562.5 from food reduction. % reduction = (562.5/6000)×100 = 9.375%.
This question belongs to:
Maths
Percentage
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