# Ibm Placement Paper

1. Speed of boat in still water is 10kmph..if it travels 24km downstream,16km upstream in the same amount of time,what is the speed of the stream? (a)3kmph (b)3.5kmph (c)2kmph (d)... 2. A cube of 3 units is painted on all sides. If this cube is divided into cubes of 1 unit,how many cube have none of their faces painted? (a)... (b)2 (c)1 (d)0 (e)none of these 3. If a person sells a product for rs141/- he suffers a loss of 6%.if he has to have a profit of 10%, at what price should he sell it? (a) (b)rs.175 (c).. (d)rs.165 ans. rs.165 (i think,check) 4. A ball falls from a height of 8ft ,bounces back to half the distance & continues till it comes to rest. what is the total distance travelled by the ball? (a)24ft (b)... (c)infinite (d)cannot be determined ans:(a) 5. Which of the following is the sum of 3 consecutive prime nos? (a)49 (b)59 (c)both a &b (d).... ans:c 6. If the area of a square has increased by 69%,by what % has its side increased? 7. In a class the average age is 16yrs.if the teacher who is 40 yrs of age is also included ,the average becomes 17yrs,how many students were there? 8. If 3 houses are to be painted,mr A can paint a house in 6 days(nos are not same)...mr B can do the same in 8 days...& mr.C in 12 days.if mr A does the work for 8 days & leaves for vacation, & mr B continues the work for the next 6 days, for how many days should mr.C work? ans:11 days(check) 9. 4 thieves rob a bakery of the breadone after the other. each thief takes half of what is present ,& half

a bread...if at the end 3 bread remains,what is the no of bread that was present initiallly? ans:63(check) 10. If the 1rst day of 1999 is a sunday,what is the last day? (a)sunday (b)monday (c).... (d)cannot be determined. 11. If A driver drives a car four times a lap 10,20 30,60 kmph what is his average speed. ans:20kmph In a group there are two kinds of people type A & type B.type A people answer for any question as YES & that of type B as NO.if...

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