PERCENTAGE MCQ SET 7
Q1. The length and breadth of a cuboid are increased by 10% and 20% , respectively , and its height is decreased by 20% . The percentage increase in the volume of the cuboid is
(a)5 4/5%
(b)5 1/5%
(c)5 2/5%
(d)5 3/5%
Answer: D
Q2. If both length and breadth of a cuboid is increased by 12 percent , then by how much percent its height should be reduced so that the volume of the cuboid remains same?
(a)14.56 percent
(b)24.72 percent
(c)20.28 percent
(d)28.44 percent
Answer: C
Q3. If the price of petrol increases by 19% and Sunitha intends to spend only an additional 12% on petrol , by what percent should she reduce the quantity of petrol purchased (nearest to an integer) ?
(a)7
(b)6
(c)5
(d)8
Answer: D
Q4. The price of sugar has increased by 18% . A person wants to increase the expenditure by 12% only . By what percent , correct to one decimal place , should he decrease his consumption ?
(a)6%
(b)5.1%
(c)5.3%
(d)5.6%
Answer: B
Q5. The price of sugar has increased by 17% . A person wants to increase his expenditure by 5% only . By approximately what percent should he decrease his consumption ?
(a)10.3
(b)10.7
(c)10.9
(d)9.9
Answer: A
Q6. When the price of a commodity increased by 23% , a family reduced its consumption in such a way that the expenditure on it was only 5% more . By what percentage has the family reduced the consumption of the commodity (correct to one decimal place) ?
(a)14.20%
(b)15.8%
(c)14.6%
(d)15.2%
Answer: C
Q7. When the price of rice increases by 25% , a person increases his expenditure on rice only by 15% . By what percentage should he reduce his consumption of rice so as to be able to maintain the same level of expenditure ?
(a)8%
(b)5%
(c)9%
(d)7%
ย Answer: A
Q8. When the price of an item was reduced by 20% , its sale increased by x% . If there is an increase of 25% in receipt of the revenue , then the value of x is:
(a)55.35
(b)57.75
(c)56.25
(d)54.35
Answer: C
Q9. When the price of a commodity is increased by 23% , a family reduced it consumption in such a way that the expenditure on it was only 5% more . By what percentage has the family reduced the consumption of the commodity (correct to one decimal place) ?
(a)14.20%
(b)15.8%
(c)14.6%
(d)15.2%
Answer: C
Q10. Price of pulse increases by 25% . A person initially purchase 60 kg pulse . How much kg of pulse he can purchase now in same amount?
(a)32 kg
(b)60 kg
(c)48 kg
(d)40 kg
Answer: C
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