MBA Exam

Let f(x) = ax^2â€“ b| x|, where a and b are constants. Then at x = 0, f(x) is

1) maximised whenever a > 0, b > 0
2) maximised whenever a > 0, b < 0
3) minimized whenever a > 0, b > 0
4) minimized whenever a > 0, b < 0

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MBA Other Question

If 20 men complete a work in 40 days. But onvery first day 1 person turns up, on 2nd day 2 , on 3rd day 3 and so on, how many days will it take to complete the work?

1) 39.5
2) >39.5
3) Work can never be completed
40 players are to be divided into 4 teams of 10 players each. If 4 particular players must be assigned to 4 different teams, in how many ways can the 4 teams be formed?

1) 40! /(4!* 9!)
2) 4! *36! /(9!)^4
3) 36!/(4!*9!)
4) 4!/ (9!)^4