Infosys Placement Papers

INFOSYS TEST PAPER ----- 7TH AUG 2005

1) Find the value of X,Y and Z
in the following

X X X X

Y Y Y Y

Z Z Z Z

Y X X X
Z

Ans:X=9 , Y=1; Z=8

2) A man starts walking at 3 pm . ha walks
at a speed of 4 km/hr on level ground and at a speed of 3 km/hr on uphill , 6
km/hr downhill and then 4 km/hr on level ground to reach home at 9 pm. What is
the distance covered on one way?

Ans: 12 km

3) A grandma has
many sons; each son has as many sons as his brothers. What is her age if it s
the product of the no: of her sons and grandsons plus no: of her sons?(age b/w
70 and 100).

Ans: 81 (I think)

4) An electric wire runs for
1 km b/w some no: of poles. If one pole is removed the distance b/w each pole
increases by 1 2/6 (mixed fraction). How many poles were there initially?

5) There is a church tower 150 feet tall and another catholic tower at a
distance of 350 feet from it which is 200 feet tall. There is one each bird
sitting on top of both the towers. They fly at a constant speed and time to
reach a grain in b/w the towers at the same time. At what distance from the
church is the grain?

Ans: 90 (I think)

6) Days Cows

40 40

60 30

X 20

Find the no: of days ie X.

7) Puzzle on color and cards.

Puzzle on
languages and people.

9) Find out a five digit no: which has two
prime nos: and , its highest digit is 3 and lowest digit is 2 bla bla
bla ..

10) Some question on truth and lie .. I don t remember the
question but I think Andrew was the ans.

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