MBA Exam

A cheater cheats while buying and selling.While buying he takes 10% more than what he pays for and while selling he gives 20% less than what he claims to.find the profit percent if he sells at 9.09% below the cost price of the claimed weight.

1) 20%
2) 25%
3) 37.5%
4) 19.85%

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MBA Other Question
A function f(x) is defined as f(x) = f(x – 2) + x(x – 2) for all the integer values of ‘x’. Given that f(1) + f(6) = 0. What is the value of f(1) + f(2) + f(3) + f(4) + f(5) + f(6)?

1) 0
2) 10
3) -20
4) -35
 Hariharan tells Prakash: I'll give you three sums at a time such that they somehow will, in order, make a series of numbers as 6, 24, 60, 120, 210, 336, 504 .... If you can tell me the mystery behind this sequence, I'll continue till I have given you ten such sums each and will pay each time the money equivalent to the sum." Prakash was too shrewd and found the logic easily. Thus he received a total of (Rs.)

1) 4290
2) 4090
3) 3685