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 a buffalo. in all there are 96 families in the village. How many families do not have a cow or a buffalo?
1681 05d8c9258e01f466533647739The price of sugar is increased by 20 %. If the expenditure on sugar has to be kept the same as earlier, the ratio between the reduction in consumption and the original consumption is:
1671 05ef4760df2ebd073795c9d8aSumit got 186 marks in Science, 158 marks in Hindi and 78 marks in Maths. The maximum marks in Science is 220, 180 in Hindi and 130 in Maths. What is his approximate total percentage marks?
1668 05eb013ca021b821d91f4618cIf the income of Ram is $$ 12{1\over2}\%$$ more than that of Shyam, the income of Shyam is less than that of Ram by
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A businessman’ earning by 25% in one year but decreases by 4% in the next. Going by this pattern, after 5 years, his total earning would be Rs. 72000. What is his present earning?
1635 05d71f351e70d464ce7165f34Salary of a person is first increased by 20 %, then it is decreased by 20 %. Then the percentage change in his salary is:
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