MBA Exam

A clock is set right at noon 12on monday. it loses 1/2% on the correct time in the first week but gains 1/4% on the true time during the second week.the time shown on monday after two weeks will be?

1) 12:25:12
2) 11:34:48
3) 12:50:24
4) 12:24:16
5) none of these

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MBA Other Question
There are 12 pipes to fill a tank and each pipe can pump 30 litres per min. If the first pipe is opened at 6:00 am and the remaining pipes are opened one after the other at regular intervals of 5 minutes, the tank is filled by 7:30 am. What is the capacity of the tank?

1) 21600 lit
2) 20000 lit
3) 22500 lit
4) 25600 lit
 The function f(x) is defined as follows :f(x) = (1/1-x): for x ≥ 0 and x ≠ 1 = 1 - x; otherwise and f^n (x) = f(f^(n-1) (x)) for n ≥ 2.For x = 0, find f^5(f^4(f^3(f^2(f(x))))).

1) 1
2) -1
3) 0
4) CBD