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# IBM  Placement Paper 4

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
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
they can not answer to these question then they remain silent.
the mayor asks question to them as follows........

12).if he asks a person are u type A
a.YES b.NO c. Silent d.Can not be determined

13)he asks two persons X &Ysimultaneously whether u of same type
a. YES b. NO c.YES or NO d. Silent e. can not be determined

14).pointing to a person X he asks Y what is his type
a. YES b. No c. Silent d can not be determined

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