AMU Engineering 2017 solved paper Solved Paper

First we arrange the words starting with A, we fix A at extreme left position
and remaining 4 letters can be arranged in 4!=24 ways.
Now, placing G at first position, letters A, A, I, N can be arranged in

4!

2!

=12 ways.
Similarly, words starting with I are

4!

2!

=12 ways.
∴ Total number of words obtained=24+12+12=48
The 49 th word is NAAGI.
∴50 th word will be NAAIG.