MBA Exam

Nine dots are placed on a piece of paper. Find the maximum number of right angled triangles which
can be formed by joining any three dots.Please tag me in the solution.

1) 18
2) 36
3) 40
4) 44
5) 48

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MBA Other Question

n things (each thing belonging to a particular place ) have to be distributed in n places so that no particular thing is arranged its correct place.Plz provide the logic for the formula .... ?

1) n!-n!/1! + n!/2! .......
x^4-y^4 = 844Find the number of pairs of positive integers (x,y)a) 3!b) 2!c) 4d) 4!-2!*2e)none of these

1) A
2) B
3) C
4) D
5) E