MBA Exam

The crew of an 8 member team is to be choosen from 12men of which 3 must row on one side only and 2 must row on the other side only.Find the number of ways of arranging crew with 4 members on each side?

1) 40320
2) 30240
3) 60480
4) 10080
5) none of these

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MBA Other Question

500! + 505! + 510! + 515! is completely divisible by 5n, where n
is a natural number. How many distinct values of n are possible?

1) 120
2) 121
3) 124
4) 125
There were five people A,B,C,D and E in a room . Each carrying individual unique ipods.All the ipods were collected and placed on a table. The light was turned off and A was asked to pick up an ipod. He takes an ipod and leaves. Lights are turned on and successively the participants B to E come and take an ipod, they will take up their own ipod if they find it, else take whatever is available and leave the room , each will take only one ipod.What is the probability that the last person will take his own ipod ?

1) 1/3
2) 1/40
3) 2/3
4) 1/2