X of y is y of a xy b 2y c x d cant be determined

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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?
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?
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?
(b) 20(c) 19(d) 29ANSWER:A73. A cylinder is 6 cms in diameter and 6 cms in height. If spheres of the samesize are made from the material obtained, what is the diameter of eachsphere?(a) 5 cms(b) 2 cms(c) 3 cms(d) 4 cmsANSWER:C
74. A rectangular plank 2.5 meters wide can be placed so that it is on eitherside of the diagonal of a square. What is the area of the plank?
75. The difference between the compound interest payable half yearly and thesimple interest on a certain sum lent out at 10% p.a for 1 year is Rs. 25. Whatis the sum?
76. What is the smallest number by which 2880 must be divided in order tomake it into a perfect square
16 |w w w . p m t u t o r . o r g77. A father is 30 years older than his son however he will be only thrice asold as the son after 5 years what is father's present age?
(a) 40 yrs(b) 30 yrs(c) 50 yrs(d) none of theseANSWER:A
78. An article sold at a profit of 20% if both the cost price and selling pricewould be Rs.20/- the profit would be 10% more. What is the cost price of thatarticle?79. If an item costs Rs. 3 in '99 and Rs. 203 in '00.What is the % increase inprice?
80. 5 men or 8 women do equal amount of work in a day. A job requires 3men and 5 women to finish the job in 10 days how many woman are requiredto finish the job in 14 days.
17 |w w w . p m t u t o r . o r g

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