Question

{n(n+1)/2:n is a positive integer} is​

Answer 1

Answer:

so n(n + 1)(n + 2) is always even and always divisible by 3: A, B, C and D are out. Answer: E. can we consider 0 as positive integer. If yes then whole number will become 0 and we can not divide 0 by 4.

Answer 2

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so n(n + 1)(n + 2) is always even and always divisible by 3: A, B, C and D are out. Answer: E. can we consider 0 as positive integer. If yes then whole number will become 0 and we can not divide 0 by 4.

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