• Placement Questions

Frequently Asked Interview Questions and Answers

(#M40086000) CMC QUESTION Technical written test question Keep an EYE

Consider the C language code given below.
int *a;
int b[2];
a = b;
b[0] = -46;
b[1] = -23;
*a = -34;
(*++a)++;
What are the values of b[0], b[1] at the end.
A -34, -24
B -46, -22
C -34, -22
D -46, -23

Asked In CMC Naveen (10 years ago)

Unsolved Read Solution (4)

Is this Puzzle helpful?   (0)   (1) Submit Your Solution Technical

(#M40000207) OTHERS QUESTION Keep an EYE

A Train crosses A man standing on a platform which is 240 mtrs long in 13 secs & the platform itself in 25 secs. What was the speed of the train?

Asked In Others Naveen (14 years ago)

Solved Karthik Pandiyan Read Solution (3)

Is this Puzzle helpful?   (9)   (2) Submit Your Solution

(#M40000217) MICROSOFT QUESTION Keep an EYE

Imagine a disk spinning like a record player turn table. Half of the disk is black and the other is white. Assume you have an unlimited number of color sensors. How many sensors would you have to place around the disk to determine the direction the disk is spinning? Where would they be placed?

Asked In Microsoft Naveen (15 years ago)

Solved B.Rajashekar Read Solution (3)

Is this Puzzle helpful?   (13)   (6) Submit Your Solution

(#M40000213) MICROSOFT QUESTION Keep an EYE

Suppose you had 8 billiard balls, and one of them was slightly heavier, but the only way to tell was by putting it on a scale against another. What's the fewest number of times you'd have to use the scale to find the heavier ball?

Asked In Microsoft Naveen (14 years ago)

Unsolved Read Solution (8)

Is this Puzzle helpful?   (17)   (2) Submit Your Solution

(#M40085994) CMC QUESTION Technical written test question Keep an EYE

The ideal data structure to handle backtracking is?
A Queue
B Tree
C Stack
D Linked list

Asked In CMC Naveen (10 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (3)   (0) Submit Your Solution Technical

(#M40001241) SYNTEL QUESTION Keep an EYE

a+b+c=0, then roots of ax^2+bx+c=0 is

Asked In Syntel Naveen (14 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (10)   (3) Submit Your Solution Quadratic Equations

(#M40000215) MICROSOFT QUESTION Keep an EYE

Pairs of primes separated by a single number are called prime pairs.
Examples are 17 and 19.
Prove that the number between a prime pair is always divisible by 6 (assuming both numbers in the pair are greater than 6). Now prove that there are no prime triples.

Asked In Microsoft Naveen (15 years ago)

Solved Tijo Jose Read Solution (3)

Is this Puzzle helpful?   (10)   (3) Submit Your Solution

(#M40001749) GMAT QUESTION Gmat maths puzzle Keep an EYE

What is the minimum value of the positive integer n?

(1) 1250 × 2 × 3 × 5 × n is a perfect square.
(2) n! has only two zeroes as last digits.

(A) Statement (1) alone is sufficient, but statement (2) is not sufficient.
(B) Statement (2) alone is sufficient, but statement (1) is not sufficient.
(C) Statements (1) and (2) together are sufficient to answer the question.
(D) Either statement alone is sufficient to answer the question.
(E) Statements (1) and (2) taken together are NOT sufficient to answer the question

Solution

A is due to mistake here.
After removing A the 1st statement is 1240-n so for making it a perfect square n should be 15 (minimum)
for the truth of second statement n should be 10(minimum)
so D is correct

Like manish sir answer on facebook.

Asked In GMAT Naveen (14 years ago)

Solved

Is this Puzzle helpful?   (3)   (4) Submit Your Solution

(#M40000119) INFOSYS QUESTION Keep an EYE

A cube, which is painted red on all its sides, is cut into 27 cubes with three straight cuts. Now how many cubes have i)No red face ii)1 red face iii) 2 red faces iv) 3 red faces

Asked In Infosys Naveen (15 years ago)

Solved C.T.Narayanan Read Solution (5)

Is this Puzzle helpful?   (17)   (1) Submit Your Solution

(#M40032505) INFOSYS QUESTION cryptography Keep an EYE

CROSS+ROADS=DANGER then D+A+N+G+E+R??

Asked In Infosys Naveen (11 years ago)

Unsolved Read Solution (13)

Is this Puzzle helpful?   (11)   (2) Submit Your Solution Cryptography