Q.1
Half percent, written as a decimal, is
Q.2
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?
Q.3
In an election between two candidates, the winner got 65% of the total votes cast and won the election by a majority of 2748 votes. What is the total number of votes cast if no vote is declared invalid?
Q.4
Last year, the population of a town was x and if it increases at the same rate, next year it will be y. the present population of the town is
Q.5
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
Q.6
In a factory, the production of cycles rose to 48400 from 40000 in 2 years. The rate of growth per annum is ?
Q.7
A student scored 32% marks in science subjects out of 300. How much should he score in language papers out of 200 if he is to get overall 46% marks ?
Q.8
The difference between the value of the number increased by 20% and the value of the number decreased by 25% is 36. Find the number ?
Q.9
In a village, each of the 60% of families has a cow; each of the 30% of families has a buffalo and each of the 15% of families has both a cow and buffalo. In all there are 96 families in the village. How many families do not have a cow or a buffalo ?
Q.10
The population of a village has increased annually at the rate of 25%. If at the end of 3 years it is 10000, the population in the beginning of the first year was :
Q.11
The population of a town increases every year by 4%. If its present population is 50,000, then after 2 years it will be
Q.12
Narayan spends 30% of his income on education and 50% of the remaining on food. He gives Rs. 1000 as monthly rent and now has Rs. 1800 left with him. What is his monthly income?
Q.13
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
Q.14
Each side of a rectangular field diminished by 40%. By how much per cent is the area of the field diminished?
Q.15
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?
Q.16
In a college, 40% of the students were allotted group A, 75% of the remaining were given group B and the remaining 12 students were given group C. Then the number of students who applied for the group is :
Q.17
A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had :
Q.18
A saves 20% of his monthly salary. If his monthly expenditure is Rs. 6000, then his monthly savings is :
Q.19
A man spends 75% of his income. His income increased by 20% and he increased his expenditure by 15%. His savings will then be increased by :
Q.20
Two numbers A and B such that the sum of 5% of A and 4% of B is $$\frac{2}{3}$$rd of the sum of 6% of A and 8% of B. The ratio A : B is -
Q.21
If a number is increased by 25% and the resulting number is decreased by 25%, then the percentage increase or decrease finally is :
Q.22
The percentage increase in the surface area of a cube when each side is doubled is :
Q.23
In an examination, 35% of the candidates failed in Mathematics and 25% in English. If 10% failed in both Mathematics and English, then how much percent of candidates passed in both the subjects ?
Q.24
The sum of two numbers is 520. If the bigger number is decreased by 4% and the smaller number is increased by 12% then the numbers obtained are equal. The smaller number is :
Q.25
Out of two numbers, 40% of the greater number is equal to 60% of the smaller. If the sum of the numbers is 150, then the greater number is :
Q.26
If the total monthly income of 16 persons is Rs. 80800 and the income of one of them is 120% of the average income, them his income is :
Q.27
In an examination, 60% of the candidates passed in English and 70% of the candidates passed in Mathematics, but 20% failed in both subjects. If 2500 candidates passed in both the subjects, the number of candidates who appeared at the examination was :
Q.28
At an election there were two candidate got 38% of votes and lost by 7200 votes. The total numbers of valid votes were :
Q.29
The value of a property depreciates every year by 10% of its value at the beginning of the year. The present value of the property is Rs. 8100. What was its value 2 years ago ?
Q.30
The population of a town increases every year by 4%. If population was 50000 in starting, then after two years will be :
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