IVTL
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I Round - Aptitude Questions
1. The
percentage profit earned by selling an article for Rs. 1920 is equal to the
percentage loss incurred by selling the same article for Rs. 1280. At what
price should the article be sold to make 25% profit?
(a) Rs 2000
(b)
Rs. 2200
(c)
Rs. 2400
(d)
Rs. 2100
2. The
average age of 50 students and a teacher is 25 years. When the teacher’s age is
excluded, the average age decreases by 1 year. What is the age of the teacher?
(a) 65
(b)
75
(c)
74
(d)
64
3. The sum of the squares of three numbers is 138,
while the sum of their products taken two at a time is 131. Their sum is:
(a) 16
(b)
40
(c)
30
(d)
20
4. If 40% of a number is equal to two-third of
another number, what is the ratio of first number to the second number?
(a) 2:5
(b)
3:7
(c)
5:3
(d)
7:3
5. A can do a piece of work in 4 hours; B and C
together can do it in 3 hours, while A and C together can do it in 2 hours. How
long will B alone take to do it?
(a) 8 hours
(b)
10 hours
(c)
12 hours
(d)
24 hours
6. A vendor bought toffees at 6 for a rupee. How
many for a rupee must he sell to gain 20%?
(a) 3
(b)
4
(c)
5
(d)
6
7. A
two-digit number is such that the product of the digits is 8. When 18 is added
to the number, then the digits are reversed. The number is:,
(a) 18
(b)
24
(c)
20
(d) 14
8. In an election between two candidates, one got
55% of the total valid votes, 20% of the votes were invalid. If the total
number of votes was 7500, the number of valid votes that the other candidate
got, was:
(a) 2700
(b) 2900
(c) 3000
(d) 3100
9. In covering a distance of 30 km, Abhay takes 2
hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour
less than Sameer. Abhay's speed is:
(a) 5 kmph
(b)
6 kmph
(c)
6.25 kmph
(d)
7.5 kmph
10. If
A = x% of y and B = y% of x, then which of the following
is true?
(a) A is smaller than B
(b)
A is greater than B
(c)
relationship between A and B cannot be determined
(d) if x is smaller than y, then A is greater
than B
11. The
ratio of the number of boys and girls in a college is 7 : 8. If the percentage
increase in the number of boys and girls be 20% and 10% respectively, what will
be the new ratio?
(a)
8:9
(b)
17:18
(c)
21:22
(d)
22:21
12. A
train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the
length of the train?
(a) 120 meters
(b)
180 meters
(c)
324 meters
(d)
150 meters
13. Speed
of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph.
A man rows to a place at a distance of 105 km and comes back to the starting
point. The total time taken by him is:
(a) 16 hours
(b)
18 hours
(c)
20 hours
(d)
24 hours
14. Amit
started walking positioning his back towards the sun. After some time, he
turned left, then turned right and towards the left again. In which direction
is he going now?
(a) North or south
(b)
East or West
(c)
North or west
(d)
south or west
15. Raju
is the brother of Alok. Sunita is the sister of Sunil. Alok is the son of
Sunita. How is Raju related to Sunil?
(a)Nephew
(b)
son
(c)
brother
(d)
Cousin
16. If
log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:
(a) 4
(b)
2
(c)
1
(d)
3
17. Two
trains, each 100 m long, moving in opposite directions, cross each other in 8
seconds. If one is moving twice as fast the other, then the speed of the faster
train is:
(a) 30 km/hr
(b)
45 km/hr
(c)
60 km/hr
(d)
65 km/hr
18. Virat travelled 75 kms in 7
hours. He went some distance at the rate of 12 km/hr and the rest at 10 km/hr.
How far did he travel at the rate of 12 km/hr?
(a) 30 km
(b)
25 km
(c)
40 km
(d)
35 km
I Round - JAVA Questions
1. What is an aggregate object?
(a) An object with only primitive attributes
(b)
An instance of a class which has
only static methods
(c) An
instance which has other objects
(d)
None of the above
2. Which is a reserved word in the Java programming
language?
(a) method
(b)
native
(c)
reference
(d)
array
3.Which of the assignment are not valid
(a) short s = 28;
(b)
float f = 2.3;
(c)
double d = 2.3;
(d)
int I = '1';
4. Which of the following
are Java keywords?
(a)
throw
(b)
void
(c)
private
(d)
all of the above
5. Which of the following
is true about protected access modifier?
(a) Variables, methods and constructors which
are declared protected can be accessed by any class
(b)
Variables, methods and constructors which are declared protected can be
accessed by any class lying in same package.
(c)
Variables, methods and constructors which are declared protected in the
superclass can be accessed only by its child class.
(d) None of the above
6.What is Serialization?
(a) Serialization is the process of writing
the state of an object to another object.
(b)
Serialization is the process of writing the state of an object to a byte stream
(c)
Both of the above.
(d)
None of the above.
7. Which collection class allows you to grow or
shrink its size and provides indexed access to its elements, but whose methods
are not synchronized?
(a) java.util.HashSet
(b)
java.util.LinkedHashSet
(c)
java.util.List
(d)
java.util.ArrayList
8. Which of the following statements about the
Java language is true?
(a) Both procedural and OOP are supported in Java.
(b)
Java supports only procedural
approach towards programming
(c)
Java supports only OOP approach
(d)
None of the above.
9. What is the number of bytes used by
Java primitive long. Select the one correct answer?
(a) The number of bytes is compiler dependent.
(b)
2
(c)
4
(d)
8
10.Which methods can access to private attributes of a class?
(a) Only Static methods of the same class
(b)
Only instances of the same class
(c)
Only methods those defined in the
same class
(d)
Only classes available in the same
package.
11. What
is the most restrictive access modifier that will allow members of one class to
have access to members of another class in the same package?
(a)
default access
(b)
public
(c)
private
(d) protected
12. Given a
one dimensional array arr, what is the correct way of getting the number of
elements in arr. Select the one correct answer
(a)
arr.length
(b)
arr.length - 1
(c)
arr.size
(d)
arr.length()
13. The initial value of a local variable of type String that is not explicitly initialized and which is defined in a member function of a class. Select the correct answer
(a) NULL
(b)
“”
(c) null
(d)
The instance variable must be
explicitly assigned.
14. The class Hashtable is used to implement which
collection interface. Select the one correct answer?
(a) List
(b)
Map
(c)
Set
(d)
SortedSet
15.Which
is a valid declarations of a String?
(a)
String s1 = null;
(b)
String s2 = 'null';
(c)
String s3 = (String) 'abc';
(d)
String s4 = (String) '\ufeed';
16.Which of the following statements is false about objects?
(a)
An instance of a class is an
object
(b)
Objects can access both static and
instance data
(c)
Objects do not permit
encapsulation
(d)
Object is the super class of all
other classes
17.What
is the name of the method used to start a thread execution?
(a)
init();
(b)
start();
(c)
run();
(d)
resume();
18.Which
method must be defined by a class implementing the java.lang.Runnable interface?
(a)
void run()
(b)
public void run()
(c)
public void start()
(d)
void run(int priority)
19.Which
one of the following will declare an array and initialize it with five numbers?
(a)
Array a = new Array(5);
(b)
int [] a = {23,22,21,20,19};
(c)
int a [] = new int[5];
(d)
int [5] array;
20.Which
of the following class level (nonlocal) variable declarations will not compile?
(a) protected
int a;
(b)
transient int b = 3;
(c)
private synchronized int e;
(d)
volatile int d;
21.Which
is the valid declarations within an interface definition?
(a)
public double methoda();
(b)
public final double methoda();
(c)
static void methoda(double d1);
(d)
protected void methoda(double d1);
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