Infosys 1

1) There are two balls touching each other circumferencically.

The radius of the big ball is 4 times the diameter of the small

ball.The outer small ball rotates in anticlockwise direction

circumferencically over the bigger one at the rate of 16 rev/sec.

The bigger wheel also rotates anticlockwise at Nrev/sec. what is

'N' for the horizontal line from the centre of small wheel always

is horizontal.

2) 1 2 3 4

+ 3 4 5 5


4 6 8 9

- 2 3 4 5


2 3 4 4

+ 1 2 5 4


3 6 9 8

Q) Strike off any digit from each number in seven rows (need not

be at same place) and combine the same operations with 3 digit numbers

to get the same addition. After this strike off another digit from all

and add all the No.s to get the same 2 digit No. perform the same

process again with 1 digit No.s. Give the ' no.s in 7 rows at

each stage.

3) there is a safe with a 5 digit No. The 4th digit is 4 greater than

second digit, while 3rd digit is 3 less than 2nd digit. The 1st digit

is thrice the last digit. There are 3 pairs whose sum is 11. Find

the number. Ans) 65292.

4) there are 2 guards Bal and Pal walking on the side of a wall of a

wearhouse(12m X 11m) in opposite directions. They meet at a point and

Bal says to Pal " See you again in the other side". After a few moments

of walking Bal decides to go back for a smoke but he changes his

direction again to his previous one after 10 minutes of walking in

the other(opposite) direction remembering that Pal will be waiting

for to meet.If Bal and Pal walk 8 and 11 feet respectively, how

much distance they would have travelled before meeting again.

5) xxx)xxxxx(xxx









Q) Find the 5 digit No.

Hint: 5 is used atleast once in the calculation.

6) Afly is there 1 feet below the ceiling right across a wall length

is 30m at equal distance from both the ends. There is a spider 1 feet

above floor right across the long wall eqidistant from both the ends.

If the width of the room is 12m and 12m, what distance is to be

travelled by the spider to catch the fly? if it takes the shortest


7) Ramesh sit around a round table with some other men. He has one

rupee more than his right person and this person in turn has 1 rupee

more than the person to his right and so on, Ramesh decided to give

1 rupee to his right & he in turn 2 rupees to his right and 3 rupees

to his right & so on. This process went on till a person has

'no money' to give to his right. At this time he has 4 times the

money to his right person. How many men are there along with Ramesh

and what is the money with poorest fellow.

8)Question related to probabilities of removing the red ball from a

basket,given that two balls are removed from the basket and the other

ball is red. The basket contains blue,red,yellow balls.

9)Venkat has 1boy&2daughters.The product of these children age is 72.

The sum of their ages give the door numberof Venkat.Boy is elder of

three.Can you tell the ages of all the three.



1)L:says all of my other 4 friends have money

M:says that P said that exact one has money

N:says that L said that precisely two have money

O:says that M said that 3 of others have money.

P:Land N said that they have money.

all are liers.Who has money&who doesn't have?

2)A hotel has two,the east wing and the west wing.some east wing rooms

but not all have an ocean view(OV).All WW have a harbour view(HV).The

charge for all rooms is identical, except as follows

* Extra charge for all HV rooms on or above the 3rd floor

* Extra charge for all OV rooms except those without balcony

* Extra charge for some HV rooms on the first two floor&some EW rooms

without OV but having kitchen facilities. (GRE modrl Test 3-question


3)Post man has a data of name surname door name of 4 families.

But only one is correct for each family.There are a set of statements


4)4 couples have a party.Depending on the set of statements,find who

insulted whom and who is the host of the party.

5)5 women given some of their heights(tall,medium,short)Hair( long,

plainted),stards(Black or Brown), sari,2 medium,2-short.Tall->no

sari.Plainted->medium.Answer the combinations.

1) A person has to go both Northwards&Southwards in search of a job.

He decides to go by the first train he encounters.There are trains for

every 15 min both southwards and northwards.First train towards south

is at 6:00 A.M. and that towards North is at 6:10 .If the person arrives

at any random time,what is the probability that he gets into a train

towards North.

2) A person has his own coach&whenever he goes to railway station he

takes his coach.One day he was supposed to reach the railway station

at 5 O'clock.But he finished his work early and reached at 3 O'clock.

Then he rung up his residence and asked to send the coach immediately.

He came to know that the coach has left just now to tje railway station.

He thought that the coach has left just now to the railway station.He

thought that he should not waste his time and started moving towards

his residence at the speed of 3mi/hr.On the way,he gets the coach and

reaches home at 6 o'clock.How far is his residence from railway


3)Radha,Geeta&Revathi went for a picnic.After a few days they forgot the

date,day and month on which they went to picnic.Radha said that it was

onThursday,May 8 and Geeta said that it was Thursday May 10.Revathi

said Friday Jun 8.Now one of them told all things wrongly,others one

thing wrong and the last two things wrongly.If April 1st is tuesday

what is the right day,date and month?

I am sending mainly c
paper and some questions.Rao
also will send somethig.There are 15 c q's all are discriptive.

int a=2;
f1(int c)
printf("%d", c);
int a;
void c;f2(&c,&a);
a) What will be the value of b? why
b) If in 1st stmt a=0 is replaced by -1, b=?
c) If in second stmt a=0 is replaced by -1, b=?
3)char *a[2]
int const *p;
int *const p;
struct new { int a;int b; *var[5] (struct new)
int a=2;
f1(int c)
printf("%d", c);
f(int t)
case 2: c=3;
case 3: c=4;
case 4: c=5;
case 5: c=6;
default: c=0;}
value of c?
int *f1()
int a=5;
return &a;
int *b=f1()
int c=*b;
7)a)Function returning an int pointer
b)Function ptr returning an int ptr
c)Function ptr returning an array of integers
d)array of function ptr returning an array of integers
(See Scham series book)
int a;
short b;
9)Define function ?Explain about arguments?
10)C passes By value or By reference?
11)Post processed code for
b=abc1; (1 or 2 blank lines are given)
12)difference between my-strcpy and strcpy ?check
int *b;
14)Function which gives a pointer to a binary trees const an integer value
at each code, return function of all the nodes in binary tree.(Study)Check
15)Calling refernce draw the diagram of function stack illustrating the
variables in the -----then were pushed on the stack at the point when
function f2 has been introduced
type def struct
{ double x,double y} point;
main( int argc, char *arg[3])
{double a;
int b,c;
f1(double x, int y)
point p;
stack int n;
f2(point p, double angle)
{ int i,j,k,int max)
1)Least no. when divide by [7 gives remainder 6,6gives 5,5 gives 4 and
soon ans;419
2)What compilation do (ans source code to obj)
3)Artficial language is provided which of the language (Lisp) check
4)241 change its equivalent octal ?
5)for cube and sphere 3 views are similarly draw one such figure?
6)Write a program to exchange two variaables without temp
7)Fortran cannot have value by reference
9)success is to failure, joy is to
11)opposite to essential?
12)"Raw" means
13)To be good "Wrestler " one should have?
14)"Command" opposite?
15)genuine opposite?
16)Two proverbs are goven
17)Sum of two consecutive nos is 55, larger one is?
18)A person goes 4/5 of his usual speed reaches 10min lateto his
destinaton, time taken?
19)80% pass in english, 70%pass in maths , 10%fail in both , 144 pass in
both . How many all appeared to the test?
20)To get a parabola if you cut a section of?
21)Bird is flying 120km/hr b/w B to R. two trians at B to R at 60 kmph
The distance trvelled by the bird before it is killed.Ans.120
22)meaning of inert
If any are there rao will send you. Prepare well
for the interview. Mostly on graphics , geometry .Prepare questions like
(for interview)Prove some of the angles in a triangle are 180.Angle in a
half circle is 90.How will you measure hight of building when you are at
the top of the building and if you have stone with you.