Question 38

There are six persons ------- A, B, C, D, E and F. We have to rank them in such a way that B gets first rank and E gets the last rank. In how many ways this could be done ?

Solution

The position of B and E is fixed as first and last.
Now, there are 4 people A, C, D and F.
They can be arranged in 4! unique ways in 4 places.
Therefore the number of ways $! = 24 ways.
Hence, the correct option is option A.

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NICL Administrative Officer (AO) 2013 Question Paper Solved

There are six persons ------- A, B, C, D, E and F. We have to rank them in such a way that B gets first rank and E gets the last rank. In how many ways this could be done ?

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