If the length of a rectangle is increased by 30% and the breadth is decreased by 25%, what is the percentage change in area? MCQ with Answer and Explanation
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Question #1
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A dishonest shopkeeper uses 900 g weight instead of 1 kg. His profit %:
Correct Answer: Option A
Explanation:
Profit = (100/900)×100 = 11.11%.
Profit = (100/900)×100 = 11.11%.
This question belongs to:
Maths
Percentage
Question #2
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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 B
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
Question #3
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In a village of 8000, 55% are below poverty line. Number not below poverty line:
Correct Answer: Option B
Explanation:
45% of 8000 = 3600.
45% of 8000 = 3600.
This question belongs to:
Maths
Percentage
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