Question

there are 5 seats in a car including the drive seat if 3out of 10 member in a family know driviing then in how many ways 5 person out of 10 member can be arranged in car​

Answer 1

Step-by-step explanation:

Their are 5 seats in the car including one that of driver's seat and 5 people are to sit in it . Out of 5 person only 3 can drive , therefore the driver's seat can be occupied by 3 ways only . Now rest of the 4 seats can be occupied by remaining four persons in (4) ways .

Hence the total no.of ways = 3 × (4) =

3 × 4 × 3 × 2 × 1

= 72

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