Percentage - Aptitude Questions and Answers - Percentage Quiz, Shortcuts and tricks

This is "Percentage" Questions and Answers topic from Aptitude Section. These Percentage Aptitude MCQ Questions with solutions will helps you in various competitve exams. The word percentage or per cent means for every one hundred. It is denoted by symbol %. Thus 10 % means 10 out of hundred or 10/100.

Key Facts:
1) For converting a given percentage into a fraction, divide it by 100 or multiply by 1/100.
i.e. 25% can be converted in to fraction by dividing it by 100,
Hence, 25%= 25/100= 0.25.
2) For converting a given fraction into percentage multiply it by 100. Thus,
.25 =.25*100 =25%.
3) For converting one given quantity, say x as a percentage of another given quantity, say y find (x/y)*100.

1. 1.14 expressed as a per cent of 1.9 is:
[A] 6%
[B] 10%
[C] 60%
[D] 90%
2. In an examination 80% candidates passed in English and 85% candidates passed in Mathematics. If 73% candidates passed in both these subjects, then what per cent of candidates failed in both the subjects?
[A] 8
[B] 15
[C] 27
[D] 35
3. Half percent, written as a decimal, is
[A] 0.2
[B] 0.02
[C] 0.005
[D] 0.05
4. If the price of the commodity is increased by 50% by what fraction must its consumption be reduced so as to keep the same expenditure on its consumption?
[A] 1/4
[B] 1/3
[C] 1/2
[D] 2/3
5. The population of a town increases every year by 4%. If its present population is 50,000, then after 2 years it will be
[A] 53,900
[B] 54,000
[C] 54,080
[D] 54,900
6. A and B are two fixed points 5 cm apart and C is a point on AB such that AC is 3cm. if the length of AC is increased by 6%, the length of CB is decreased by
[A] 6%
[B] 7%
[C] 8%
[D] 9%
7. The cost of an article was Rs.75. The cost was first increased by 20% and later on it was reduced by 20%. The present cost of the article is:
[A] Rs. 72
[B] Rs. 60
[C] Rs. 75
[D] Rs. 76
8. The price of the sugar rise by 25%. If a family wants to keep their expenses on sugar the same as earlier, the family will have to decrease its consumption of sugar by
[A] 25%
[B] 20%
[C] 80%
[D] 75%
9. Each side of a rectangular field diminished by 40%. By how much per cent is the area of the field diminished?
[A] 32
[B] 64
[C] 25
[D] 16
10. If the price of a commodity is decreased by 20% and its consumption is increased by 20%, what will be the increase or decrease in expenditure on the commodity?
[A] 4% increase
[B] 4% decrease
[C] 8% increase
[D] 8% decrease
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