Find the number of ways in which 6 toys can be distributed to three children, each containing two toys.

n different toys have to be distributed among n children. Find the number of ways in which these toys can be distributed so that exactly one child gets no toy.

Find the number of ways in which five identical balls can be distributed among ten boxes, if not more than one can go into a box.

Find the number of ways in which n different beads can be arranged to form a necklace.

Find the number of ways in which 12 different beads can be arranged to form a necklace.

Number of ways in which 12 different things can be distributed in 3 groups, is

A bag contains 6 white marbles and 5 red marbles. Find the number of ways in which four marbles can be drawn form the bag if they can be of any colour.

If number of ways in which 7 different balls can be distributed into 4 different boxes, so that no box remains empty is 100lamda , the value of lamda is

The number of ways in which n distinct objects can be put into two different boxes is:

Find the numbers of ways in which 5 girls and 5 boys can be arranged in a row if no two boys are together.

The number of ways in which a score of 11 can be made from a throw by three persons,each throwing a single die once, is