MBA Exam Numerical Ability Permutation and Combination

In how many ways can four prizes each having 1st ,2nd and 3rd positions be given to 3 boys ,if each boy is eligible to receive one prize for each event??

1) 12P3
2) 6^4
3) 4^3
4) 4^6

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MBA Other Question

A man, starting from a point P, takes exactly six equal steps. Each step is in one of the four directions – East, West, North and South. What is the total number of ways in which the man ends up at point P after the six steps?

1) 200
2) 256
3) 400
4) 512
six years ago, ram's age was four times Shyam's age. Six year hence, ram's age will be thrice Shyam's age. After how many years from now will their combined age be 150 Years?

1) 21
2) 9
3) 36
4) 18