67. x% of y is y% of ?(a) x/y(b) 2y(c) x(d) can't be determinedANSWER:C
68. The price of sugar increases by 20%, by what % should a housewife reducethe consumption of sugar so that expenditure on sugar can be same as before?
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69. A man spends half of his salary on household expenses, 1/4th for rent,1/5th for travel expenses; the man deposits the rest in a bank. If his monthlydeposits in the bank amount Rs. 50, what is his monthly salary?
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70. The population of a city increases at 4% p.a. There is an additional annualincrease of 4% of the population due to the influx of job seekers, find the %increase in population after 2 years?71. The ratio of the number of boys and girls in a school is 3:2 Out of these10% the boys and 25% of girls are scholarship holders. What % of studentswho are not scholarship holders?72. 15 men take 21 days of 8 hours each to do a piece of work. How manydays of 6 hours each would it take for 21 women if 3 women do as muchwork as 2 men?
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