# Placement Papers - Infosys

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### Infosys Placement Paper Pattern

Posted By : Vincent Rating : +6, -0

(Paper) Infosys

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)  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.

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  path.

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.

ANALYTICAL

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 liars. 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 1J-22)

3) Post man has a data of name surname door no.pet name of 4 families. But only one is correct for each family.There are a set of statements &questions.

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->nosari.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 station.

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?

Paper (C)

1) int a=2;
f1(a++);
}
f1(int c)
{
printf("%d", c);
}
1)fallacy
f()
{
int a;
void c;f2(&c,&a);

2) a=0;
b=(a=0)?2:3;
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)

4) f()
{
int a=2;
f1(a++);
}
f1(int c)
{
printf("%d", c);
}
c=?

5) f1()
{
f(3);}
f(int t)
{
switch(t);
{
case 2: c=3;
case 3: c=4;
case 4: c=5;
case 5: c=6;
default: c=0;}
value of c?
6) Fallacy
int *f1()
{
int a=5;
return &a;
}
f()
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)

8) fallacy
int a;
short b;
b=a;

9) Define function ?Explain about arguments?

10) C passes  By value or By reference?

11) Post processed code for
abc=1;
b=abc1; (1 or 2 blank lines are given)
strcpy(s,"abc");
z=abc;
12) difference between my-strcpy and strcpy ?check

13)
f()
{
int *b;
*b=2;
}

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(a,b);}
f1(double x, int y)
{
point p;
stack int n;
f2(p,x,y)}
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

10) MEANING OF JOLLY?

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 hisdestinaton, 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.