Tech Mahindra C-Test Paper for Practice

1)Aptitude test...(includes aptitude+verbal reasoning+non-verbal reasoning+comprehension(gre type))
2) Technical interview(HR+technical)
3) HR round
APTITUDE TEST:It consisted of 5 sections each with atleast 10 questions while one or two sections contained 20 questions.
There were altogether 75 questions which u have to answer in 1 hr only(remember time is very very imp in this round).The sections were:
a) Verbal reasoning and analytical
b) Non verbal reasoning and analytical
c) MCQ-questions based on English grammar(very easy)
d) English comprehension…( Do it at last..coz it consumes time)
Thorough prep from RS Aggarwal(verbal,non-verbal,quantitave) is enough to pass the aptitude test besides having minimum base in english.
Anyway the result was declared within 40 mins and luckily I was selected.
Here I remember some of the ques. frm the aptitude section. As they are
1. If a boat is moving in upstream with velocity of 14km/hr and goes downstream with a velocity of 40km/hr. then what is the speed of the stream?
(a) 13km/hr
(b) 26km/hr
(c) 34km/hr
(d) none of these
Ans: A
2. find the value of (0.75*0.75*0.75-0.001)/(0.75*0.75-0.75+0.01)
(a) 0.845
(b) 1.908
(c) 2.312
(d) 0.001
Ans: A
Then a questions frm alligation of mixtures
3. A man buys 12 lts of liquid which contain 20% of the liquid and the rest is water. He then mixes it with 10lts of another mixture with 30% of liquid.
What is the % of water in the new mixture?
4.A certain number of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10days more for the work to be finished.
How many men were there originally?
(a) 110 men
(b) 130 men
(c) 100 men
(d) none of these
ans:- A
5. In simple interest what sum amount of Rs. 1120/- in 4 years and Rs.1200/- in 5 years?
(a) Rs.500
(b) Rs.600
(c) Rs.800
(d) Rs.900
6. x% of y is y% of?
(a) x/y
(b) 2y
(c) x
(d) can't be determined
ans: C
7. The population of a city increases @ 4%p.a. there is an additional annual increases of 4% of the population due to the influx of job seekers. Find
the % increase in population after 2 years?
8. The ratio of the number of boys and girls in a school is 3:2. Out of these 10% the boys and 25% of girls are scholarship holders. % of students who
are not scholarship holders?
9. A rectangular plant (2)^1/2 meters wide can be placed so that it is on either side of the diagonal of a square shown below. (Figure is available). what
is the area of the Plank?
ans: 7*(2)^1/2.
And some questions on ages.. some on profit and loss.
prepare frm R.S. agrawall.....it will be sufficient to clear..... beware time is the factor.....
Logical Section:
1. a,c,e,g..
(a) h
(b)i
(c)d
(d)j
Ans: b
2. a,e,i,m,q,u_,_
(a) y,e
(b) b,f
(c) g,i
(d) none
3. 1,2,3,5,7,11....
(a) 15
(b) 9
(c)13
(d)12
ans: c(Series of prime no)
4. 1,3,4,8,15,27,...
(a) 60
(b)59
(c)43
(d)50
and similar to these there are many more ques.....so be prepare for them also.....
5.All pens are elephants. some elephants are cats.
(a) Some pens are cats
(b) No pens are cats
(c) All pens are cats
(d) None of the above
i think it (d)
6. Some green are blue. No blue are white.
(a) No green are white
(b) Some green are white
(c) No green are white
(d) None of the above
ans: b

1 What is difference b/t severity and priority
2 What are the diff types of integration testing?
3 How to test when the web application expired time (cookies, sessions testing) in realtime
4 What are the inputs for writing test cases and
5 What are the outputs after executing the test cases?
6 What is the difference between Developer environment and Test environment?
7 What are the various Guidelines follow while Weighting Test Cases
8 Explain V model in depth?
9 What is Rekey Defect?
10 What is effect variance ,Budget variance , Schedule Variance , Defect Density ?
11 What is different Between Risk and Issue ?
12 What is white-box Integration Testing and its differences between Black box-Integration testing?
13 How to access a build & what is its configuration
14 What is App Domain? Explain how it works.
15 Difference between Array and Array List?
16 How Array is benifitful than Array List?
17 Is it possible to use two versions of assembly at the same time?
18 If possible explain with code?
19 How do you install windows service?
20 What are the differences between windows services and web services?
21 What do u study in DCOM?
22 Tell me what multiplexing?
23 Explain TDM
24 Explain FDM
25 How will you decide as to when FDM or TDM should b used!!!
26 Who according to u is the best guitarist in the world n why?(Ans. Steve Vai)
27 Who is your favorite keyboard player n why?(Ans. A.R. Rehman)
28 Explain V model in depth?
29 What is Rekey Defect?
30 What is effect variance ,Budget variance , Schedule Variance , Defect Density ?
31 What is different Between Risk and Issue ?
32 What is white-box Integration Testing and its differences between Black box-Integration testing?
33 If the object is identified by QTP & also virtual object wizard then which object will added to object repository
34 How to access a build & what is its configuration
35 What is the difference between trigger and stored procedures
36 What is multi- threading
37 What is multi-tasking
38 What is Inheritance
39 What is java ?
40 What is difference between request processor and request dispatcher?
41 What is use of business objects?
42 What is the difference between static link library and dynamic link library?
43 What is object slicing and how can we prevent it?
44 What is App Domain? Explain how it works.
45 What is thread priority?
46 Distinguish method overloading and method overriding
47 Difference between interface and abstract class with example.
48 Difference between Array and arraylist? How Array is benifitful than arraylist?

Tech Mahindra C-Test Paper for practice

1. #include
* What is wrong in the following problem

main() {
int i,j;
j = 10;
i = j++ - j++;
printf("%d %d", i,j);
}
ans: 0, 12

2.#include <stdio.h
* What is the output of the following problem
main() {
int j;
for(j=0;j<3;j++)
foo();
}
foo() {
static int i = 10;
i+=10;
printf("%d\n",i);
}</stdio.h

/* Out put is (***since static int is used i value is retained between
* 20 function calls )
* 30
* 40
*
/

3.#include <stdio.h
#include <stdio.h
#include <string.h
/* This is asked in PCS Bombay walk-in-interview
* What is wrong in the following code
*/
main()
{
char *c;
c = "Hello";
printf("%s\n", c);
}
/*ans:- Hello, The code is successfully running */</string.h
</stdio.h
</stdio.h

4. #include <stdio.h
/* This problem is given in PCS BOMBAY walk-in-interview.
* What is the final value of i and how many times loop is
* Executed ?
*/</stdio.h

main()

{
int i,j,k,l,lc=0;
/* the input is given as 1234 567 */
printf("Enter the number string:<1234 567 \n");
scanf("%2d%d%1d",&i,&j,&k);
for(;k;k--,i++)
for(l=0;lprintf("%d %d\n",i,l);}
printf("LOOPS= %d\n", lc-1);
}
/* Ans: i = 16, and loop is executed for 169 times */

5.#include <stdio.h
/* This is given in PCS Bombay walk-in-interview */
/* What is the output of the following program */</stdio.h

main() {
union {
int a;
int b;
int c;
} u,v;
u.a = 10;
u.b = 20;
printf("%d %d \n",u.a,u.b);
}
/* Ans : The latest value assigned to any of the union member
will be present in the union members so answer is
20 20
*/
6.#include <stdio.h
main()
{
float i, j;
scanf("%f %f", &i, &j);
printf("%.2f %.3f", i, j);
}</stdio.h

/Ans:- 123.34 3. 234 */

7.#include <stdio.h
/* This is given in PCS Bombay walk-in-interview
* What is the out put of the following problem ?
*/</stdio.h

main()
{
char *str = "12345";
printf("%c %c %c\n", *str, *(str++), *(str++));
}
/* Ans: It is not 1 2 3
* But it is 3 2 1 Why ??
*/

8.#include <stdio.h
/* This problem is asked in PCS Bombay Walk-in-interview
* Write a macro statement to find maximum of a,b
*/
#define max(a,b) (ab)?a:b
main()
{
int a,b;
a=3;
b=4;
printf("%d",max(a,b));
}
/* Ans is very simple the coding is just for testing it
and output is 4 */</stdio.h

~
9.#include <stdio.h
/* This problem is asked in PCS Bombay
* What is the output of the following coding
*/</stdio.h

main()
{
int len=4;
char *st="12345678";
st = st -len;
printf("%c\n",*st);
}
/* Ans : It will print some junk value */
~
10.#include <stdio.h
main()
{
func(1);
}
func(int i){
static char *str ={ "One","Two","Three","Four"};
printf("%s\n",str[i++]);
return;
}
/* Ans:- it will give warning because str is pointer to the char but
it is initialized with more values
if it is not considered then the answer is Two */</stdio.h

11.
#include <stdio.h
main()
{
int i;
for (i=1;i<100; i++)
printf("%d %0x\n",i,i);
}
/* Ans:- i is from 1 to 99 for the first format,
for the second format 1to9, ato f, 10 to 19,1ato1f, 20 to 29, etc */</stdio.h

12.#include <stdio.h
/* This problem is asked in PCS Bombay walk-in-interview
* In the following code please write the syntax for
* assing a value of 10 to field x of s and id_no 101 of s
*/
struct {
int x;
int y;
union {
int id_no;
char *name;
}b;
}s,*st;
main()
{
st = &s;
st-x=10;
st-b.id_no = 101;
printf("%d %d\n",s..x,s.b.id_no);
}
/* Ans: The answer is st-x=10;
* st-b.id_no=101;
*/
13.#include <stdio.h
/* This problem was asked in PCS Bombay in a walk-in-interview
* Write a recursive function that calculates
* n * (n-1) * (n-2) * ...... 2 * 1
*/</stdio.h
</stdio.h

main() {
int factorial(int n);
int i,ans;
printf("\n Enter a Number:");
scanf("%d",&i);
ans = factorial(i);
printf("\nFactorial by recursion = %d\n", ans);
}
int factorial(int n)
{
if (n <= 1) return (1);
else
return ( n * factorial(n-1));
}

~
14.#include <stdio.h
/* This problem is asked in PCS Bombay walk-in-interview
* What is the output of the following problem
*/
main(){
int j,ans;
j = 4;
ans = count(4);
printf("%d\n",ans);
}
int count(int i)
{
if ( i < 0) return(i);
else
return( count(i-2) + count(i-1));
}</stdio.h

/* It is showing -18 as an answer */

15.#include<stdio.h
main()
{
int i=4;
if(i=0)
printf("statement 1");
else
printf("statement 2");
}
/* statement 2 */</stdio.h

This is pcsb paper.

1. #include <stdio.h
* What is wrong in the following problem</stdio.h

main() {
int i,j;
j = 10;
i = j++ - j++;
printf("%d %d", i,j);
}
ans: 0, 12

2.#include <stdio.h
* What is the output of the following problem
main() {
int j;
for(j=0;j<3;j++)
foo();
}
foo() {
static int i = 10;
i+=10;
printf("%d\n",i);
}</stdio.h

/* Out put is (***since static int is used i value is retained between
* 20 function calls )
* 30
* 40
*
/

4. #include <stdio.h
/* This problem is given in PCS BOMBAY walk-in-interview.
* What is the final value of i and how many times loop is
* Executed ?
*/</stdio.h

main()

5.#include <stdio.h
/* This is given in PCS Bombay walk-in-interview */
/* What is the output of the following program */</stdio.h

/Ans:- 123.34 3. 234 */

7.#include <stdio.h
/* This is given in PCS Bombay walk-in-interview
* What is the out put of the following problem ?
*/</stdio.h

main()
{
char *str = "12345";
printf("%c %c %c\n", *str, *(str++), *(str++));
}
/* Ans: It is not 1 2 3
* But it is 3 2 1 Why ??
*/

~
9.#include <stdio.h
/* This problem is asked in PCS Bombay
* What is the output of the following coding
*/</stdio.h

main()
{
int len=4;
char *st="12345678";
for(i=0; i<6; i++)
st = st -len;
printf("%c\n",*st);
}
/* Ans : It will print some junk value */
~
10.#include <stdio.h
main()
{
func(1);
}
func(int i){
static char *str ={ "One","Two","Three","Four"};
printf("%s\n",str[i++]);
return;
}
/* Ans:- it will give warning because str is pointer to the char but
it is initialized with more values
if it is not considered then the answer is Two */</stdio.h

12.#include <stdio.h
/* This problem is asked in PCS Bombay walk-in-interview
* In the following code please write the syntax for
* assing a value of 10 to field x of s and id_no 101 of s
*/
struct {
int x;
int y;
union {
int id_no;
char *name;
}b;
}s,*st;
main()
{
st = &s;
st-x=10;
st-b.id_no = 101;
printf("%d %d\n",s.x,s.b.id_no);
}
/* Ans: The answer is st-x=10;
* st-b.id_no=101;
*/
13.#include <stdio.h
/* This problem was asked in PCS Bombay in a walk-in-interview
* Write a recursive function that calculates
* n * (n-1) * (n-2) * ...... 2 * 1
*/</stdio.h
</stdio.h

/* It is showing -18 as an answer */

15.#include<stdio.h
main()
{
int i=4;
if(i=0)
printf("statement 1");
else
printf("statement 2");
}
/* statement 2 */</stdio.h

There are total 15 people. 7 speaks french and 8 speaks spanish. 3 do not speak any language. Which part of total people speaks both languages.
Ans: 1/5
A jogger wants to save ?th of his jogging time. He should increase his speed by how much %age.
Ans: 33.33 %
A is an integer. Dividing 89 & 125 gives remainders 4 & 6 respectively. Find a ?
Ans: 17
In a office work is distribute between p persons. If 1/8 members are absent then work increased for each person.
Question based on cubes. In which fill the blank box.
120, 315, 300, 345, ? ---- 390
2,1, 4, 3, 6, 6, 8, 10, 10, ?, ? --- 12, 15
Questions based on figure rotation
Questions based on figure rotation
A Child is saying numbers 1, 2, 3, 4. When he says 1 Another child puts white marble in a box. On saying 2 he puts Blue marble and on saying 3 he puts red ma rble. When child says 4 other child take out white and blue marble. Child says some no. in a sequence then questions are based on the no. of marbles in the box. Like this
1,1,2,3,1, 4, 1,1,3,2,2,4,111?
a) Find the no. of Blue marble in the box ?..2
b) Find the no. of White ------do------2
c) No. of red marbles ------7
Questions based on logical reasoning (R. S. Agrawal)
a) all pens are hens. All hens are doctor.
(I) all pens are doctor.
(II) all doctors are pen.
Ans: Only first conclusion is correct
if M person r buying a thing costing D$ each,, if 3 person get away,, how much each person has to spend so that total expenditure is same ???
which is smallest?
a. 1/7
b 1/8
c 2/9
d 3/13 ...or something similar having denominations as 11 and 13 in option "d" and "e"
f Rix can collect 45 pieces in 1 min.. and Rax take 1 and half minute for same,, what is time require d to collect 300 pieces when both working together??
One long quiz followed by 5 quest... 3 cages having 3 tags on them, sum of digit of cage num not to exceed 10, and other cond.
one quest of grandfather-father-son type quest.
A is shorter than B but taller than E, D is tallest, C is just shorter than A, who is shortest or similar quest...?
Rectangular box,, 25*20*2 converted in to cylinder of dia 10... what is height in terms of "pai"

Which of the following statement(s) is(are) not true
a. Literate workers have small families than illiterate workers.
b. Families with 2 or less than 2 children are commoner than families with 3 or more children.
c. 2 children families constitute 60% of the families of workers.
d. More the no. of children a worker has the more illiterate he is.
e. None the above statement is true. Ans : e
Of a mutual instrument vibrate 6,8 & 12 intervals respectively. If all three vibrate together what is the time interval before all vibrate together again? Ans : 1/2 sec HCF of DR
Certain no. of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally. Ans : 110 men
In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years. Ans : Rs.800/-
Sum of money at compound interest amounts of thrice itself in 3 years. In how many years will it take 9 times itself.Ans : 6
Two trains in the same direction at 50 & 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes him. What is the length of faster train ? Ans : 75m
How many mashes are there in a sq. m of wire gauge. Each mesh being 8mm long X 5mm width
Ans : 25000
x% of y is y% of ? Ans : x
The price of sugar increases by 20%, by what % house-wife should reduce the consumption of sugar so that expenditure on sugar can be same as before Ans : 16.66
A man spending half of his salary for house hold expenses, 1/4th for rent, 1/5th for travel expenses, a man deposits the rest in a bank. If his monthly deposits in the bank amount 50. What is his monthly salary ?
Ans : 1000
The population of a city increases @ 4% p.a. That is an additioanl annual increase of 4% of the population due to this influx of job seekers, the % increase in population after 2 years is
The ratio of no. of boys & girls in a school is 3:2 Out of these ?% the boys & 25% of girls are scholarship holders. % of students who are not scholarship holders.?
15 Men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would do if 21 women take. If 3 women do as much work of 2 men. Ans : 30
A cylinder ingot 6cms in diameter and 6 cms in height is and spheres all of the same size are made from the material obtained.what is the diameter of each sphere? Ans :3cms
Rectangular plank of sqrt(2)meters wide can be placed so that it is on either side of the diagonal of a square shown below.what is the area of the plank? Ans :7sqrt(2) fig no-
The difference b/w the compound interest payble half yearly and the simple interest on a certain sum cont out at 10% p.a for 1 year is Rs 25 what is the sum Ans:10,000
what is the smallest n0 by which 2880 must be divided in order to make it a perfect square ?
a)3 b)4 c)5 d) 6 e)8 Ans: 3
A father is 30 times more than his son however he will be only thrice as old as the son what is father's present age ?Ans : 40
An article sold at a profit of 20% if both the c.p & s.p were tobe Rs.20/- the profit would be 10% more. What is the c.p of that article? Ans : 1% loss
How can a process be started automatically in UNIX ? ANS : Through CRONTAB { options were crontab, inittab, and two more }
What is the meaning of run level 6 ?ANS. Reboot
How can you determine which file has generated the CORE ?
Options were..
1.ps -ef | grep core
2.ps -ef | grep Freshersworld.com
3.pfile core
4.filec core
Diff.between inlinefunction((++)-macns(c)
3 to 4 questions on conditional operator :?:
Write a macro for sqaring no.
Trees -3 noded tree ( 4 to 5 questions fundamentals) Maximum possible no.of arrnging these nodes
Arrange the nodes in depth first order breadth first order
Linked lists Q) Given two statments
Allocating memory dynamiccaly
Arrays Tree the above both and find the mistake
Pointers (7 to 8 questions) Schaum series Pointer to functions, to arrays 4 statements ->meaning,syntax for another 4 statements
Booting-def(When you on the system the process that takes place is ------
Type of global variable can be accessible from any where in the working environment ( external global variable)
Which of the following can be accessed randomly Ans. a. one way linked list
b. two way "
c. Arrays
d. Trees
Write a class for a cycle purchase(data items req.)

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