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IBM Placement Papers
Posted Date: 30 Mar 2008 Resource Type: Articles/Knowledge Sharing Category: Placement Papers
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Posted By: Saheli Member Level: Gold
Rating:  Points: 0
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IBM Placement Papers
The test in IBM consisted of two sections:
1. Aptitude section consisting of 45 questions of 45 minutes duration and
2. Technical section consisting of 45 questions in 45 minutes.
Aptitude
1. There are 12 persons seated in a room. If one half of the people belong to
group A, one third belong to group B and one forth belong to both the groups.
How many don’t belong to any group.
2. 1/5 is what part of 2/3?
3. A train passes a point in 20 seconds and crosses a bicycle moving in opposite
direction with a speed of 8 m/s in 15 seconds. What is the length of the train?
4. A freight train starts from a station. After two hours a passenger train
traveling with a speed of 60mph.starts from the same station. Both the trains
meet after four hours after the departure of the passenger train. What is the
speed of the freight train?
5.a tank has a capacity of 3750cu.m. There r two taps fixed on it,one filling
the tank at 800cu m/min and second tap emptying at a rate of 300 cu m/min.if
the two taps r opened successively for one minute each, then after how much time
the tank gets completely filled?
6. The contract for painting three houses is given to three people.a can paint
each house in 6 days,b in 8 days & c in 12 days.a starts the work & continues
for 8 days,b continues the work for 6 days then in how many days c can finish
the work?
7. One edge of a square is the centre of a circle with the two sides adjoining
the edge of the square becoming the radii of the circle.If the length of the
arc described by the two radii(the two sides of the square)is 2 units. What is
the perimeter of the square.
8. C ----------------D
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-----------
A B
AB is perpendicular to BC, BC perpendicular to CD
AB=8 cm
BC=5 cm
CD=4 cm
What is the shortest distance from A to D?
9. If 6 squares of equal size are placed side by side to form a rectangle of
perimeter 294cm, find the perimeter of each square.
10. What is the length of a parallelopiped of sides 3,4,7cms.
11. Correct definition of pi is
a. 3.14
b. 3.141257
c.22/7
d.Ratio of circumference and diameter
e. None of the above
12.A football team played 60 matches out of which 30% were won by them. If they
start winning all the next matches after how many matches will the average
winning rate be 50%?
13. Difference of ages of 2 persons is 9 and difference of squares of the ages
is 459. What is the age of the older person.
14. There is a rectangular field of 110x70 cm size. If it is to be fenced such
that the fence is placed alternative with a gap of 10cm and the fence should
be present at the four corners. taking $2 per cm of fence. Find the cost of
fencing.
15. The figure having one line of symmetry
a. square
b. equilateral triangle.
c. isosceles triangle
d. rectangle
16. Which is greater?
a. 0.3
b. (0.3)^.5
c. 2/5
17. If there are persons named 1 to n. If each person handshakes with all
other persons whose no. is more than him, then how many handshakes are
possible.
18.For traveling from A to C there are three choices
1. through a bridge from A to C of 20 miles length having a toll of 75cents
per person
2. through a tunnel from A to C of 10 miles length having a toll of 25 cents
per person
3. a toll free highway from A to B(eastwards)of 20 miles and then B to C
(north west) 10 miles
which will be most economical?
bridge
tunnel
highway
none
19. If he wants to reach earliest what will he choose?
20.If the employer of a firm going from A to C deducts some % of his basic
Salary which he will choose (what factor will influence his preference)
Bridge with less traffic
Tunnel
Cost of gasolene
Cost of toll on three modes
21.What is the shortest mode of travel from B to C
Bridge
Tunnel
Highway
None
22. What is the number of multiplications u have to undergo to multiply two
2x2 matrices.
23. What is the angle subtended by the hands of a clock when it is quarter past
one.
25. If a particle is moving in a circle with constant angular velocity then
a. radial acceleration =0 tangential acceleration =0
b. <>0 =0
c. =0 <>0
d. <>0 <>0
Which is correct?
Technical section
1. The role of objects in object oriented programming in C++ is equivalent
to:
a) Asking the driver to stop the bus.
b) Asking the conductor to stop the bus.
c) Ringing the bell to stop the bus.
i) a ii) b iii) both b and c iv) c.
2. If a diagonal element of a determinant is zero then
i) Determinant is zero.
ii) Eigen value of the determinant is zero.
iii) Determinant is singular
iv) None of the above. Ans: (iii)
3. The output of the expression is
Printf("%d %d %d %d",sizeof(NULL), sizeof('3'), sizeof("3"), sizeof(3)");
i) 0 1 1 0
ii) 2 1 1 2
iii) 2 2 2 2
iv) 2 1 1 1 Ans:(iii)
4. The command in unix for printing only the number of lines in a file is:
Ans: wc-l
5. The synonyms for machine language are:
i) First generations language
ii) Machine - dependent
iii) Assembly language
iv) Both i and ii.
v) All of the above
Ans iii)
6. The output of the program:
Char s[ ] = "hello friend"
Printf("%d",*(s+strlen(s)); Ans: zero
7. (FC) in hexadecimal is equivalent to ------------- in octal.
8. The max no. of multiplications for multiplying two 2 by 2 matrix is
i) 4 ii) 8 iii 12 iv) 16
9. The initial environment of Cobol program was called-----------------
10. ASCII stands for---------------------------------
11. How can u specify the permission of a file in Unix so that it can be read
and used by everyone but can't be changed by anyone.
Ans: 755
12. Vector processing is: ----------------------
17. Efficient programming is-------------------
18. Complexity of a program is decided by which factors----------------
19. What is indirection operator in C?
20. What is the error in the program?
Main( )
{ int *p;
*p=3;
return 0;
}
Ans: The statement return 0 is invalid in C.
21. What will be the output of the program
Main( )
Union
{ char a[8];
float b;
int c;
} aa;
printf("%d" , aa);
Ans: 8
22.what does > and >> signify in UNIX?
23.int n;
k=n;
result=1;
while(k>1)
{
result*=k;
k--;
}
What does this program do?
a. calculates the factorial for n<0
b. calculates the factorial for n>0
c. b is right if the foll is added
if(n<=1)
result=1;
Ans:b
24. Which one is not an aspect of relational database
a. tree like structures
b. records
c. fields
d. tables
25.if right to left operation is done instead of left to right then find the
value of 7-(16/(3+1)*2)-4?
26. What is the difference between Dos in windows and DOS in MS-DOS mode?
Ans: They occupy different memory
They are same
Windows can access some special files
27. characteristics of RAM?
Ans: Finite, temporary and fast
28. main()
{
int num[6]={2,3,4,18,44,17}
j=5;
printf("%d%d",*(num+j),j[num]
}
ans :17 17
29.
n=5
while(n>1)
{
for(i=1;i product*=i;
return(product);
}
What is the output?
ans:Junk value
30. Main advantage of using pointers?
Ans: pointers can be used to return more than one value from a function
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