`15` Passengers are to travel by a double decker bus which can accomodate `5` in upper deck and `10` in lower deck. The number of ways that the passengers are distributed is

20 passengers are to travel by a double decked bus which can accommodate 13 in the upper deck and 7 in the lower deck . The number of ways that they can be distributed is

Passengers are to travel by a double decked bus which can accommodate 13 in upper deck and 7 in the lower deck. The number of ways that they can be distributed if 5 refuse to sit in the upper desk and 8 refuse to sit in the lower deck is :

Passengers are to travel by a double decked bus which can accommodate 13 in the upper deck and 7 in the lower deck. Find the number of ways that they can be distributed if 5 refuse to sit in the upper deck and 8 refuse to sit in the lower deck.

Passengers are to travel by a double decked bus which can accommodate 13 in the upper deck and 7 in the lower deck. Find the number of ways that they can be distributed if 5 refuse to sit in the upper deck and 8 refuse to sit in the lower deck.

Passengers are to travel by a double decked bus which can accommodate 13 in the upper deck and 7 in the lower deck. Find the number of ways that they can be distributed if 5 refuse to sit in the upper deck and 8 refuse to sit in the lower deck.

Passengers are to travel by a double decked bus which can accommodate 13 in the upper deck and 7 in the lower deck.Find the number of ways that they can be distributed if 5 refuse to sit in the upper deck and 8refuse to sit in the lower deck.

Passengers are to travel by a double decked bus which can accommodate 13 in the upper deck and 7 in the lower deck.The number of ways that they can be divided if 5 refuse to sit in the upper deck and 8refuse to sit in the lower deck,is

If a train, five seats are vacant, the number of ways three passengers can sit, is