UPSC Government Jobs Exams Category

Find the total number of ways in which 5 red and 4 white balls can be drawn out of 10 red and 9 white balls?

Read Solution (Total 1)

10c5*9c4
5 balls taken from toal of 10 balls and4w balls taken from 9 red balls so 10c5*9c4
10 years agoHelpfull: Yes(0) No(0)

UPSC Other Question

In how many ways a committee of 5 members can be selected from 6 men and 5 ladies consisting of 3 men and 2 ladies? . In how many ways can a cricket eleven has to be chosen out of a batch of 15 players if
i) There is no restriction on the selection;
ii) A particular player is always chosen;
iii) A particular player is never chosen ?