A car will hold 2 in the front seat and 1 in the rear seat. If among 6 persons 2 can drive, then number of ways in which the car can be filled, is

JEE Main Mathematics question

A car will hold in the front seat and in the rear seat. If among persons can drive, then number of ways in which the car can be filled, is

(A)
(B)
(C)
(D)None of theseCorrect

Answer: (D)

Solution

The driver can be either of the persons who can drive: ways. The other front seat can be taken by any of the remaining persons, and the rear seat by any of the remaining : ways. The number of ways is

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Question ID VK-020671