For all integral values of n, the expression ((7^2n)-(3^3n)) is a multiple of:
Options: a) 10 b) 31 c) 12 d)22

If an integer "k" is divisible by 2,5 and 13.what is the next largest number that is divisible by all the three given numbers?
a, k+13
b, k+130
c, 2k
d, 2k+13
e, 2k+65

a lady had some socks and hats in her closet -17blue, 47 red, and 24 yellow. the light is out and it is totally dark in split of the darkness she can make out the difference between a hat and sock she

Raman, Naman and Aman are roommates and were given a job to clean their room on Sundays. The job was easy, but they made it complicated. Sometimes they did it in pairs, sometimes individually, sometim

A triangular number is defined as a number which has the property of being expressed as a sum of consecutive natural numbers starting with 1. How many triangular numbers less than 1000, have the prope

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It's over one year when I joined TCS.
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