Carlo has six apples and six pears: how many ways he can set in a row 6 fruits so that there should never be a pear between two apples?
Thanks in advance to everyone who will help me resolving this problem.
Carlo has six apples and six pears: how many ways he can set in a row 6 fruits so that there should never be a pear between two apples?
Thanks in advance to everyone who will help me resolving this problem.