The price of sugar goes up by 30%. By what percent must a householder reduce consumption so that expenditure increases only by 5%? MCQ with Answer and Explanation
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Question #1
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A student got 280 marks out of 400. Percentage is:
Correct Answer: Option C
Explanation:
(280/400)×100 = 70%.
(280/400)×100 = 70%.
This question belongs to:
Maths
Percentage
Question #2
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A man's income is Rs. 25000. He spends 40% on food, 30% on rent, 20% on other items and saves the rest. By what percent should he reduce his food expenditure to increase his savings by 20%?
Correct Answer: Option B
Explanation:
Present savings = 10% of 25000 = 2500. New savings = 3000. Reduction in food = 500. Food = 10000, % reduction = (500/10000)×100 = 5%.
Present savings = 10% of 25000 = 2500. New savings = 3000. Reduction in food = 500. Food = 10000, % reduction = (500/10000)×100 = 5%.
This question belongs to:
Maths
Percentage
Question #3
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A can do a work in 15 days and B in 20 days. They work together for 6 days, then A leaves. In how many more days will B finish the remaining work?
Correct Answer: Option A
Explanation:
Work done in 6 days = 6×(1/15+1/20)=6×(7/60)=7/10. Remaining=3/10. B's rate=1/20, time = (3/10)×20=6 days.
Work done in 6 days = 6×(1/15+1/20)=6×(7/60)=7/10. Remaining=3/10. B's rate=1/20, time = (3/10)×20=6 days.
This question belongs to:
Maths
Percentage
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