Question

A double decker minibus has 10 seats in the lower deck and 12 seats in the upper deck.Find the number of ways of arranging 22 persons in the bus if 4 children want to go to the upper deck and 3 old people cannot go to the upper deck.​

Answer 1

Answer:

3 old people and 7 more people in the lower deck and 4 kids and 8 other people in the upper deck. 3+7+4+8=22

Hope it helps.

Answer 2

Answer:

hhhgggggfffggfccfcyuuhvgggghbb i am very sorry muje nahi aata