The crew of an 8 oar boat is to be choosen from Twelve Men, of whom 3 can row on stroke side only. The number of ways the crew can be arranged is

A crew of an eight oar boat has to be chosen out of 11 men five of whom can row on stroke side only,four on the bow side only,and the remaining two on either side.How many different selections car made?

A boat is to be manned by eight men,of whom 2 can only row on bow side and 1 can only row on stroke side; in how many ways can the crew be arranged?

A committee of 5 is to be formed from 9 ladies and 8 men. If the committee commands a lady majority, then the number of ways this can be done is

m men and w women are to be seated in a row so that no two women sit together.If m>w then the number of ways in which they can be seated is