In how many different ways, the schedule of all exams are possible? Options: A . &nbsp 4 B . &nbsp 6 C . &nbsp 7 D . &nbsp 8 E . &nbsp Rs. 89

Answer: Option B : B There can be two cases for the scheduled day of exams, since on every unique day of the week, there is atleast one exam: Case I: Mon Tue Thur Sat Mon Wed Fri This is not possible as exams end on Saturday. C a s e I I M o n W e d F r i S a t T u e T h u r s S a t P h y C h e m C o m p B i o M a t h E c o E n g O r C h e m C o m p P h y / M a t h B i o E n g E c o M a t h / P h y O r E n g E c o n M a t h B i o C h e m C o m p P h y O r P h y / M a t h E c o E n g B i o M a t h / P h y C h e m C o m p

In how many different ways, the schedule of all exams are possible?

Question

In how many different ways, the schedule of all exams are possible?

Answer: Option B
:
B

There can be two cases for the scheduled day of exams, since on every unique day of the week, there is atleast one exam:

Case I:MonTueThurSatMonWedFri

This is not possible as exams end on Saturday.

$\begin{matrix} C a s e I I & M o n & W e d & F r i & S a t & T u e & T h u r s & S a t P h y & C h e m & C o m p & B i o & M a t h & E c o & E n g O r & C h e m & C o m p & P h y / M a t h & B i o & E n g & E c o & M a t h / P h y O r & E n g & E c o n & M a t h & B i o & C h e m & C o m p & P h y O r & P h y / M a t h & E c o & E n g & B i o & M a t h / P h y & C h e m & C o m p \end{matrix}$

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