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The are 8 events that can be schedules i...

The are `8` events that can be schedules in a week, then
The total number of ways that these `8` event are scheduled on exactly `6` days of a week is

A

`210xx6!`

B

`7!xx266`

C

`56xx7!`

D

`210xx7!`

Text Solution

Verified by Experts

The correct Answer is:
B
`(b)` `1+1+1+1+1+3=8`
`1+1+1+1+2+2=8`
Total number of ways `=[(8!)/(3!(1!)^(5)5!)+(8!)/((1!)^(4)(2!)^(2)2!4!)]xx7!`
`=266xx7!`
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