MBA Exam

In how many ways 16 different things can be distributed among 4 persons if each person gets at least three things?I got-- (16C12) * (12!/3!^4) * 4^4 * 4!---- is it right??

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MBA Other Question

Answer the questions on the basis of the information given below.A, B, C, D, E and F are six single-digit non-negative integers such that A < B < C < D < E < F. Three-digit number CFC is a perfect square, BE is a two-digit prime number and A + D + F = B + C + E.The four-digit natural number BEFC is definitely not divisible by which of the following two-digit numbers?(1) CB (2) AA (3) CC (4) CE (5) Both (1) and (4)

1) CB
2) AA
3) CC
4) CE
5) Both (1) and (4)
Find the least value of mode{x-1}+mode{x-2}+mode{x-3}+...........+mode{x-99}

1) 0
2) 50
3) 1225
4) 2450