In a function they are distributing noble prize. In how many ways can 3 prizes be distributed among 7 boys when No boy gets more than one prize?
Select:	A) 112	B) 114	C) 117	D) 210	E) 217
Sol. In this case, repetitions are not allowed. So, the first prize can be given in 7 ways. The second in 6 ways and the third in 5 ways. But fundamental principle, (7 x 6 x 5) ways = 210 ways   210
<result>D</result>
In a function they are distributing noble prize. In how many ways can 3 prizes be distributed among 7 boys when No boy gets more than one prize?