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