Elitmus Exam

what is the probability of sum of n numbers is devided by n

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(n+1)/2
as prob of sum of n number is n(n+1)/2
11 years agoHelpfull: Yes(1) No(1)

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can any1 tel d crypt arthmatic puzzle of 2dy xam If n+x and n+y both are perfect square and x=18, y=90, then how many values of n will satisfied above condition