6P3 => 6!/(6-3)! = 120.
I can't very well explain, but I hope it works.
Answer:
only 1 way
Step-by-step explanation:
both of them give their Rs.100 so now it's Rs.200 so pay RS 200 and they'll get Rs 50 as the remain
Yes
7x6=42
8x6=48
Hope that helped :D
