5984 balls are stocked in a pile. The top layer has 1 ball, the layer below it has 3 balls, the layer below which has 6 balls, the layer below which has 10 balls and so on. Find the number of layers in the pile.
A :
32
B :
28
C :
30
D :
36
Answer: A
Q. No. :
2
Question :
A watch ticks 90 times in 95 seconds and a clock ticks 315 times in 323 seconds. If both started together, how many times will they tick together in the first hour?
A :
320
B :
100
C :
101
D :
123
Answer: B
Q. No. :
3
Question :
There is a park in the shape of rhombus. One of the side is 5 units in length. There are two gates exactly at the mid points of two adjacent walls of the park. There is straight path connecting two gates which is 4 units in length. Find the area of the park (in sq. units).
A :
6
B :
8
C :
12
D :
24
Answer: D
Q. No. :
4
Question :
Some coins are distributed among 4 people A,B,C and D. In how many ways can they be distributed such that the product of the number of coins with the 4 people is 1050?
A :
60
B :
256
C :
1024
D :
640
Answer: D
Q. No. :
5
Question :
A vessel contains pure milk costing Rs 20 per litre. A certain quantity of ater, which is free of cost is added to it. As a result the cost of the mixture becomes Rs 18 per litre. Find the ratio of milk and water in the mixture.
The following numbers are inserted into an empty
binary search tree in the given order: 10, 1, 3, 5, 15, 12, 16. What is
the height of the binary search tree (the height is the maximum distance
of a leaf node from the root)?
A :
2
B :
3
C :
4
D :
5
Answer: B
Q. No. :
2
Question :
A Priority-Queue is implemented as a Max-Heap. Initially, it has 5
elements. The level-order traversal of the heap is given below: 10,
8,5,3,2 Two new elements 1 and 7 are inserted in the heap in that order.
The level-order traversal of the heap after the insertion of the
elements is :
A :
10,8,7,5,3,2,1
B :
10,8,7,2,3,1,5
C :
10,8,7,1,2,3,5
D :
10,8,7,3,2,1,5
Answer: D
Q. No. :
3
Question :
A hash table implementation uses function of (% 7) and linear probing
to resolve collision. What is the ratio of numbers in the following
series with out collision and with collision if 7 buckets are used:
32, 56, 87, 23, 65, 26, 93
A :
2,5
B :
3,4
C :
4,3
D :
5,2
Answer: C
Q. No. :
4
Question :
If one uses straight two-way merge sort algorithm to sort the following elements in ascending order: 20,47,15,8,9,4,40,30,12,17 then the order of those elements after the second pass of the algorithm is
A :
8,9,15,20,47,4,12,17,30,40
B :
8,15,20,47,4,9,30,40,12,17
C :
15,20,47,4,8,9,12,30,40,17
D :
4,8,9,15,20,47,12,17,30,40
Answer: B
Q. No. :
5
Question :
A computer company wants to hire 25 programmers to handle systems programming jobs and 40 programmers for applications programming. Of those hired 10 will be expected to perform jobs of both types. How many programmers must be hired?
Divisible by all even number, not divisible by odd number
Answer: C
Q. No. :
8
Question :
What will be the output of the program ?
#include<stdio.h>#include<string.h>int main()
{
int i, n;
char *x="Alice";
n = strlen(x);
*x = x[n];
for(i=0; i<=n; i++)
{
printf("%s ", x);
x++;
}
printf("\n", x);
return0;
}
A :
Alice
B :
ecilA
C :
Alice lice ice ce e
D :
lice ice ce e
Answer: D
Q. No. :
9
Question :
Which of the following statements is correct? (i) A static variable may be either an internal type or an external type, depending on the place of declaration. (ii) Internal static variables are those which are declared inside a function. The scope of internal static variables extends upto the end of the function in which they are defined. (iii) The Internal static variables are similar to auto variables, except that they are remain in existence through out the remainder of the program.