a man have 8 t-shirt and some pant.he can dress in 72 ways.then tell me the no. of pant that man have.  Answers:
A) 8	B) 9	C) 10	D) 11	E) 12

Rationale: let he have x pant . by fundamental principle total no . of ways in which he can dress = 8 x 8 x = 72 x = 9 pants answer b
Answer: B