MBA Exam

Q . IF 15X^2 + 8Y^2 DIVIDED BY 22 = XY AND X,Y ARE TWO NOS BELONGING TO THE SET OF THE FIRST 100 NATURAL NOS , HOW MANY DISTINCT ORDERED PAIRS (X,Y) ARE POSSIBLE ? no

1) 53
2) 50
3) 47
4) 41

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MBA Other Question

let Sm denote the sum of the squares of first m natural numbers.For how many values of m <100 , is Sm a multiple of 4 ?For how many values of m <100 , is Sm a multiple of 4Question: For the above question , for how many values will the sum of cubes of first m natural numbers be amultiple of 5 ( if m < 50 )?

1) 20
2) 21
3) 22
4) None of these
(1/x) + (1/y) = 1/2 ; x and y are positive integers, What is the maximum value of x+y?

1) 8
2) 9
3) 11
4) None of these