Question

A car will hold 2 persons in front and 3 in back. If among 8 only 2 can drive, the number of ways in which car can be filled is

720
1680
1420
1280

Answer 1

Answer:

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Step-by-step explanation:

Solution

SolutionVerified by Toppr

SolutionVerified by TopprCorrect option is

SolutionVerified by TopprCorrect option isD

SolutionVerified by TopprCorrect option isD40

SolutionVerified by TopprCorrect option isD40Number of drivers = 2

SolutionVerified by TopprCorrect option isD40Number of drivers = 2The drivers seat can be filled in 2C1 ways. i. e., 2 ways 

SolutionVerified by TopprCorrect option isD40Number of drivers = 2The drivers seat can be filled in 2C1 ways. i. e., 2 ways out of the remaining persons =4+1=5. 

SolutionVerified by TopprCorrect option isD40Number of drivers = 2The drivers seat can be filled in 2C1 ways. i. e., 2 ways out of the remaining persons =4+1=5. 5 persons arrange in vacant seats in 5P2 ways.

SolutionVerified by TopprCorrect option isD40Number of drivers = 2The drivers seat can be filled in 2C1 ways. i. e., 2 ways out of the remaining persons =4+1=5. 5 persons arrange in vacant seats in 5P2 ways.Total number of ways =2×5P2=40

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