Covansys Placement Paper

Company: COVANSYS

Total No. Of Questions : 100
Duration : 2 Hrs
The Procedure :

There are 5 sections, 20 questions each summing up to 100.The following are the split up of the sections:
1) Aptitude
2) Languages – any 2 from C/C++ , VB , Java , COBOL
3) Databases – any one from Oracle, Sybase, Sql Server2000 , DB2
4) OS – any one from Windows , Unix , IBM Mainframe

## Aptitude :

1) All the children were arranged in rows.all the rows containing equal no.of students. if 4 students were removed from each row 10 more rows had to be added.if 5 students were added in each row no.of rows were reduced by 8.find the no.of children.

The choices were like this
1)400
2)500
3)800
4)1000
Ans) 800

ans) 48

3) There are 5 questions based on a murder story. the questions concentrate on the seating arrangements of people mentioned.

4) A plane goes from Chicago to Columbus and then comes back. It takes the same time to travel in either ways. It leaves Chicago early in the morning 0644 LOCAL TIME and reaches the destination Columbus at 0849 LOCAL TIME. In the same evening it leave Columbus at 1625 hrs LOCAL TIME and reaches the destination at 1638 LOCAL TIME. Find the time that the plane takes to travel either way?
Ans: 69 mints

5) There is a 14 digit credit card number in which every 3 consecutive digits add to 20. Here is a part of it. Find the value of ‘x’?
_ _ _ 9 _ _ _ x _ _ _ 7 _ _
Ans : 4

6) Ram gets 148 marks for 20 questions. +10 for correct. -3 for wrong. How many correct answers?
Ans : 16

7) Aamir and Shaakir travel abroad and take more luggage than the airlines allow. They have to pay extra money for it. They carry 52 kgs together and pay \$60 and \$100 respectively. Now, if the same luggage was carried by only Aamir it would cost him \$340. If the airlines charges only at one rate for extra luggage what is the maximum luggage that a person can carry without paying extra?

Ans : 18 kgs

8)There are 6 consecutive numbers P, Q, R, S, T, U, not necessarily in that order.
Given that, Q is 2 less that P, P is 3 less that T and R is 2 less than S, arrange
them in an ascending order.
Ans: QRPSUT

9) Number of digits with a 2 in them between 100 and 400?
Ans : 138

10) Bactria double every 3 mints. It is N in 1 hour, when was it N/4?
Ans : 54 minutes.

11) One day the Finance minister decides that the country should have only 33 paise and 56 paise.If there are two traders having enough change in the two denominations, what is the minimum amount for which they can transact?
Choices: 1,2,3,6
Ans: 3

12) Out of the following numbers which is the greatest number when 7 times that number is < 100
1) 12
2) 13
3) 15
4) 14
Ans : 14

13)There is 31 days in the month of January. If there is 4 Sundays and 4 Thursdays exactly.what day is the first day of the month?
a)Monday
b)Tuesday
c)Wednesday
d)Thursday
ans: a) Monday.

14)there are 5 tyres including a spare tyre.total number of Km’s to be covered is 10000 and each tyre should run equally.how may Kms does each tyre run?
a)7500
b)8000
c)8500
d)10000
Ans: 8000.

## Language: C/C++

1) how will u retrieve the value stored in pointer variable a 1.a 2.&a 3.*a Ans : a 2) How to pass two arguments to a function prompted to by function pointer a) g -> (1,2) b)*g(1,2) c)(*g)(1,2) d)g(1,2)
Ans: c) (*g)(1,2)

3) Encapsulation
a)Aggregation of member objects
b)Aggregation of member functions
c)Used to incorporate data hiding
Ans: c)

4) Float_ptr = new float[100]
In order to deallocate this memory use
a)delete float_ptr
b)delete [] float_ptr
c)delete float_ptr [100]
d)delete float_ptr []
Ans:b)

5) i = 12
int *p = &I;
print (“%d %d”, p/p,*p**p)
Output
a) 1144
b) 144144
c) O/p Error
d) Junk
Ans:c)

6) What is Virtual member function?

7) Cin, Cout are
a)Class
b)Objects
c)Methods
d)Keywords
Ans: objects
8) cout << ( cout << “Hello” )<< “World”
Ans: HelloWorld

9) i=0; a = 1; b = 4; swap(int a, int b) { int temp; temp = a; a = b; b = a; i = 1; } Output
a)4 0 0
b)0 4 1
c)1 4 1
d)Error The questions is similar to this but am sure of the answer it is
Ans: 4 0 0

10)difference between member function and a constructor?
Ans: constructor cannot return value.

## Language : VB

1) How will u keep the existing values of a array when enlarging it
Ans : Using Redim Preserve

2) for i = 0 to 5 a = i print a next i how would it get printed in the form?
1.012345
2.0 1 2 3 4 5
3.12345
4.1 2 3 4 5
Ans : 2

3) Resume used in conjunction with
a)On Error
b)Error
c)Error GOTO
Ans: On Error

4) Creating a new object using
a)New
b) New, Create Object
c)New, Create Object, Set
d) New, CreateObject, Set Get Object
Ans: a) New

5) DIM x, y, z as Integer
Ans: X, Y variants, Z – Integer

6) Dim Counter; For Counter = True to False Print Counter Next Output :
a)Error message
b) True False
c) –1 0
d) True
Ans: c) –1 0

7) Form load textbox.text = “Hello” on form load what all events will take place
a) Initialise
Ans: (c)

11)how do u unregister a COM from registry?
Ans) regsvr32 /u …..

## OS: WINDOWS

1) Spooling is used with which hardware
2.printers
Ans:Printers

2) what algorithm does unix and windows use to deal with deadlocks ans: ostrich algorithm

3) what is the kernel file for windows NT

a)95
b)98
c)NT
d)ME
Ans:NT

5) Windows NT, NT stands for
Ans: New Technology

6) Thrashing occurs when
Ans: Guess when there’s a dirty page generated

7) WIN NT’s primary file system
a) FAT 8
b) FAT 16
c) NTFS
d) FAT 32
Ans: NTFS

8) Move a file from windows temp to windows system folder and delete data stored previously
a) COPY ERASE C:WINDOWSTEMP.EXE C:WINDOWSSYSTEM.EXE
b) COPY DEL C:WINDOWSTEMP.EXE C:WINDOWSSYSTEM.EXE
c) MOVE C:WINDOWSTEMP.EXE C:WINDOWSSYSTEM.EXE
d) MOVE C:SYSTEM
Ans: (c)

9) Difference between virtual memory and swapping
a) virtual memory used to store a part of process in memory whereas swapping can either put in entire process memory or out
b) swapping used to store part of a process
d) Both are same
e) Both are different concepts used to resolve different problems

10) What is multiprogramming?

11) Which of the following best defines a process?

12) What utility would you use to remove the entry in registry?
a) windows registry editor
b) Windows management utility
ans: a

## Database:Oracle

1) which of the following is a DML statement
1)create
2)update
3)drop
Ans:Update

2) what is the output of the following query? select round(trunc(mod(160,10),-1),2) from dual;
Ans : 0

3) when is index fields useful?
Ans:When u use it with with the where clause

Covansys Placement Paper