A crew of 8 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 remaining two on either side . How many different selections can be made.
There are 5 white 4yellow, 3 green , 2blue and 1 red ball. The balls are identical except colour. These are to be arranged in a line at 5 places . Find the no. Of distinct arangement.