Assignment 5 Of MTH202 (Spring 2010)

[Death race]

first question to kar liya wo to is tariky sy karian gy
men=8
women=10
(1) ways of at the most 5 men= c(8,5).c(10,2) + c(8,4) . c(10,3) + c(8,3) .(10,4)+C(8,2).c(10,5)
+ (8,1) .c(10,6) +c(8,0) .(10,7)
=56*45 + 70 * 120 + 56*210 + 28*252 + 8*210 + 1*120
=2520+8400+11760+7056+1680+120
=31536
(2) ways of at least 3 women=c(8,4) .c(10,3) + c(8,3) .c(10,4) + c(8,2) .c(10,5) + c(8,1).c(10,6)
+c(8,0) .c(10,7)
= 8400+11760+7056+1680+120
=29016
pr ab 2nd question me koi ehlp kar dy plz