MBA Exam

If Bf represents the number of bijective functions from S1 = {a, b, c, d, e} to S2 = {p, g, r, s, t} such thatf(c) â‰ t and f(e) â‰ p, what is the value of Bf?

1) 120
2) 84
3) 114
4) 78

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MBA Other Question

Ten points are selected on a plane ,such that no three of them are collinear. How many different straight lines can be formed by joining this points??

1) 54
2) 45
3) 90
4) 108
Dada, Hemu, Santa and Buda are four popular singer in a town. Of the total population of the town, 50% like Dada, 25% like Hemu, 30% like Santa. All those who don't like any of these like Buda. All those who like Hemu like both Dada and Santa. All those who like Santa like Dada as well. Number of people who like Santa and not Hemu is what percent of people who like Buda?

1) 0
2) 5
3) 10
4) 50