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A car contains three seats, one in front for driver and two in the rear. If seven persons are available in which only two can drive, then number of ways in which car can be filled is-
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Total no. of person
Total no. of persons who can drive
No. of ways in which the driver seat can be filled
Now, no. of persons left after filling the driver seat
No. of ways in which the remaining seats can be filled
Therefore,
No. of ways in which car can be filled
Hence the number of ways in which car can be filled is .
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| Question Text | A car contains three seats, one in front for driver and two in the rear. If seven persons are available in which only two can drive, then number of ways in which car can be filled is- |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
