INFOSYS PAPER - 24 SEP 2006

INFOSYS PAPER - 24 SEP 2006 - HYDERABAD

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INFOSYS PAPER - 24 SEP 2006 - HYDERABAD..

Answer / deepak

Hi all this is Deepak. I gone through Infosys test in Hyderabad.
These are the questions in my test.

1) A person gets his old book binded. but he finds that the page
numbers
are cut off.so he starts numbering the pages. During the process
he find
that 3 is encountered 61 times. Can you tell, how many pages
were there
in book?

3 encountered once=
3,13,23,30...32,34..39,43,53,63,73,83,93....300=55
times
3 encountered twice=33,133,233= 6 times

Ans is 300 pages.

2) J and K are playing some cricket matches. If K wins, then J
would have
won the same no. of matches as K. But if J wins the match , then
till now
he would have won twice the number of matches won by K. Find the
number of
matches they have each won till now.
Ans: K=2, J=3

K+1=J
J+1=2K
then by solving we get K=2 and J=3

3) There are two trains. One from New York to Washington and
second from
Washington to New York. The total journey to a destination takes 5
hours. A train from New York to Washington leaves on hour at
every hour
The train from Washington to New York leaves an hour and on half
an hour.
How many trains will be passing if you are traveling from New
York to
Washington?
Ans : 19 trains

for every 1 hour the the train traveling from New York 2 wash..
it will
meet 4 trains because earlier trains from washington.. 2 ny will
meet.
so 1h====4
5h===?(20) but last train will reach the station
(wash..)and still
wash.. train is there in platform
so 20-1==19.

4) There was a cycle race going on. 1/3th of the those in front of a
person and 3/4th of those behind him gives the total number of
participants. How many people took part in the race?
Ans : 13

Let the total number of participants be X
So, [(x-1)/3 + 3(x-1)/4] = X

5) There were 5 persons ex.A,B,C,D,E and they were shooting at a
sight
and then conditions were given .
It contains 5 no. of people. They gave 5 conditions and asked to
find the
ranks of the 3 people.

6) An artist has exactly seven paintings - T,U,V,Y,X,Z,W from
which she
must choose exactly five to be in an exihibit. Any combination is
acceptable provided it leads the following conditions:
1 if T is chosen, X cannot be chosen
2 if U is chosen, Y must also be chosen
3 if V is chosen, X must also be chosen

1] which one of the folloeing is an acceptable combination of
paitings for
exihibit
a T,U,V,X,Y b T,U,V,Y,Z c T,W,X,Y,Z d U,V,W,Y,Z
e
U,V,W,Z,Y
Ans E

2] If painting T is chosen to be among the painting included in the
exihibit which one of the follwing cannot be chosen.
a U b V c W d Y e Z
Ans B

3]similar like other

4] if the artist chooses painting V to be included among the
painting in
the exhibit, which one of the following must be true of that
combination
of painting :
A) T is not chosen B) Y is not chosen C) U is chosen D ) W is
chosen E) Z is chosen
Ans A

7) Two hands of a clock are meeting each other after every 65
minutes.
Then find whether the clock is gaining or loosing the time and by
how much?

Answer: gaining time by 5/11 minutes

8) There was a race going. The participants are Dennis, jack,
samatha,
Jim, Louise. Louise was not the last person. Dennis beat jack.
Samantha
was beaten by Jim and Louise in that order. Jack was not the first
person. Jack beat Jim. Who is the winner?
Ans: Dennis

Order is Dennis, jack, Jim, Louise, Samantha.

9) clark, jones, mason and smith are 4 people.their professions are
druggist, butcher, policeman,and grocer not in the same order as
their
names.find their respective professions?
1) clark and jones are neighbours and they drive each other
to work.
2) jones earns more than mason.
3) Policeman earns more than druggist and grocer.
4) policeman does not have druggist as a neighbour.
5) butcher goes to his work by walk.
6) policeman doesnot meet the grocer until he arrests him for
exceeding the speed limit.
7) clark beats smith every time at bowling.
Ans: smith - policeman
mason- butcher
clark - druggist
jones- grocer

10) A man enquires a person about the past 5 days temperatures at
12 noon
in that region. The other replies that he doesn't remember the
actual
figures but there was a different temperature on each day and
that their
product gives 12. Assuming the temperature to the nearest degree
what are
the temperatures on the five days?
Ans: -1,-2,1,2,3

We know that the smallest two integers that can give a product of
12 is
3*4 which is spilt up as 2*2*3. But no temperature is the
same...hence
use -2
instead of 2. Now the product becomes -12. Choose the other
temperatures
such that value of the product does not change but only the sign
changes.
So
naturally, the other two options are -1 and 1.

These were all the questions

About the English test its very easy. The interview is also very
cool.
communication skills and confidence are important.

Best of Luck to all.