Technical Paper of HCL

Sample test paper conducted on 10th sep 2007

1.write the program/algorithm or pseudo code to do

following operation given matrix

Input Matrix

1 2 3

4 5 6

7 8 9

Output Matrix

9 8 7

6 5 4

3 2 1

the algo or program should be able to do this.

2.Hotel owner to teacher: u know that mohan came here with 3 girl friends. if multiply their ages the result will be 2450. & the sum of their ages is equal to u'r age. the eldest girl is elder than mohan can u tell me mohan age.

3.One more question answer approach is 2+3+.....127

ans: 137 (check it)

4.One more question about 4 ships do it well there are 7 conditions & 7th condition will not be

satisfied.dont go for that consider the first 6 conditions



Interview questions:

5.difference b/w c & c++.

6.polymorphism, declaring functions in structures, virtual base class.

7.If it is HTML

8.statements

A: I'am a doctor B is a barber & C is the taxi driver.

B: I'am an employee of water works dept, A is the taxi driver &

C is the doctor.

C: I'am a lawyer A is a taxi driver & B is the doctor.Who is the thief?

Ans:.......................

9.In one country they prefer only boys to have. If it is a girl in the

first birth then there must be the other child to have,

if it is also a girl then they will go for the next birth & stops when

they got the boy. Then what is the proportion of

girl to boys in that country?

Ans: (n+1)/2:1

10.While three friends Abe, Bob, Cort in a restaurant taking their snacks one lady came & she asked them how many

children you have. One of them replied "By looking at the total number of children we have you can uniquely identify

the no of children I'am having" but she failed to guess then he made the following statements Abe is having atleast one

girl & twice as many boys as girls. Bob is having atleast one girl & thrice as many boys as girls. Cort is having

three more than boys that he have girls The no of children they have is less than 25.Who has replied to that lady &

how many children he have. How many total no of children they have?

Ans: Abe, & is having 3children (1G+2B), total is 12