Permutation and Combination

Solve all marked questiins in A.4

@ajaychowdhury
other then GHT arrange all, that is 5!. now any of arrangement of d a u e r will have six places
•d •a •u •e •r•
out of these 6 places choose any three for g h t that is 6c3, now arrange them by 3!hence
5! 6c3 3!

@ashishdeosingh plz solve it on paper..

@ajaychowdhury
plz ask doubt instead of solving on oaper.


@nukitapuyol ok..solv e7tha nd 8th part as well..order one