MBA Exam

f(f(n))+f(n)=2n+3, f(0)=1,find f(2012)

1) 2011
2) 2014
3) 2013
4) some other ans

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MBA Other Question

One day in my college, when I had descended seven steps on the staircase, I saw my colleague on the ground floor just about to climb up the same staircase. I continued descending and greeted him when we crossed each other. To my surprise, when I had still 4 more steps to go, my colleague had already reached the first floor. I later learnt that he took two steps at a time while I took only one at a time.

1) 19 steps
2) 17 steps
3) 32 steps
4) 22 steps
how many natural numbers are there with 24 factors where 2,3 and 5 are the only prime factors?

1) 36
2) 27
3) 12
4) 9