TCS Company Numerical Ability Permutation and Combination

The letters of the word REGAIN when arranged as per dictianory, find the 32nd word.
a)AEGIRN
b)AEGRIN
c)AEIGRN
d)none of these

Read Solution (Total 14)

TCS Other Question

How many ways A boy can reach the top of stairs which contain 10 steps, when he can take either one or two steps every time?
what are dummy questions?
n wot to do if they appear in the test?