MBA Exam

The function f is given by the table

1) 1
2) 2
3) 3
4) 4

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MBA Other Question

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let w,x,y,z be four natural no.s such that their sum is 8m+10(m is natural). Which of the following is true

1) max possible value w^2+x^2+y^2+z^2=16m^2+40m+26
2) max possible value w^2+x^2+y^2+z^2=16m^2+40m+28
3) min possible value w^2+x^2+y^2+z^2=16m^2+40m+28
4) min possible value w^2+x^2+y^2+z^2=16m^2+40m+26
Two numbers a and b are chosen at random from the set of first 30 natural numbers. The probability that a2 Â– b2 is divisible by 3 is:

1) 9/87
2) 15/87
3) 47/87
4) 34/87