MBA Exam

Find the summation: 1+(3/2!)+(7/3!)+(13/4!)............

1) 2e-1
2) 2e+1
3) 2e
4) 2e+2

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MBA Other Question

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
Let S be the set of first 999 natural numbers. What is the smallest number n such that given any n distinct numbers from S, one can choose four different numbers x, y, z, k such that x + 2y + 3z = k?

1) 667
2) 835
3) No such value exists
4) NOT