In how many ways can 5 persons sit in a car, 2 including the drivers in the front seat and 3 in the back seat, if 2 particulars persons don't know the driving.
Answers
Answered by
19
In driver's seat, 3 person can be seated.
3 people can be arranged in 3! ways.
Now, we have 4 seats left for 4 people.
4 people can be arranged in 4! ways.
Thus final answer = 3! × 4!
= 6 × 24
= 144
3 people can be arranged in 3! ways.
Now, we have 4 seats left for 4 people.
4 people can be arranged in 4! ways.
Thus final answer = 3! × 4!
= 6 × 24
= 144
Answered by
15
Answer:
72
Step-by-step explanation:
Only 3 persons can be seated in driver seat. The other front seat can be occupied by any 4 and same goes for the back seats. Thus the seats excluding driver's can be arranged in 4! ways .
4!x3=72
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