Infosys Placement Papers

INFOSYS Latest Fresher Placement Question
Paper 13

1. Persons A and B. Person A picks a random no. from 1 to
1000.Then person B picks a random no. from 1 to 1000. What is the probability of
B getting no. greater then what A has picked.

2. Some free body diagram
is given

3 | 9

--------------------------------

2 | 4 |

~~~~~~~~~~~~~~~~~

C | 5 | 9 15

~~~~~~~~~~~~~~~~

3 | 2 |

~~~~~~~~

80 | | A B

For equilibirium find values of A,B,and C.

INFOSYS Latest Fresher Engineer Placement Sample Question Paper 13

3. Three boys and three girls brought up together.
Jim,Jane,Tom,Virgina,Dorthy,and XXX. They marry among themselves to form three
couples. Conditions are :

i) Sum of their ages would be the same.

ii) Virgina was the oldest.

iii) Jim was dorthy's brother.

iv) Sum
of ages Jane+Jim and Tom+dorthy is same.

Give the three couples.

4.
X^(1/3) - X^(1/9) =60

Solve for X.

5.

X Z Y

+X Y Z

---------

Y Z X

---------

Find the three digits.

6. Two
boats start from opposite banks of river perpendicular to theshore.One is faster
then the other.They meet at 720 yards from one of theends. After reaching
opposite ends they rest for 10 mins each. After that they start back. This time
on the return journey they meet at 400 yards from the other end of the river.
Calculate the width of the river.

7. Basketball Tournament organisers
decided that two consecutive defeats will knock out the team. There are 51 teams
participating. What is the maximum no. of matches that can be played.

8.
Three guys are there A,B,C. They have three subjects to take from biology,
Mathematics, Physics, Chemistry. The four statements of the guys are given. Only
two statements are correct out of them.

9. The Master says to his
grandmaster that me and my three cousins have ages in prime numbers only.
Summation of our ages is 50. Grandmaster who knows the age of the master
instantly tells the ages of the three cousins. Tell the ages of three cousins.(
1 is not considered as prime no.)

10. There are two families Alens and
smiths. They have two children each. There names are A,B,C,D whose ages are
different and ages are less then or equal to 11. The following conditions are
given:-

i) A's age is three years less then his brother's age.

ii) B
is eldest among the four.

iii) C is half the age of the eldest in Alens
family.

iv) The difference in sum of the ages of Alens
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