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Question

Which of the following is a Triangular number series?

a.

1, 3, 6, 9, 12, 15…..

b.

1, 3, 6, 10, 15, 21……

c.

1, 6, 12, 18, 24…..

d.

none of the mentioned

Posted under Discrete Mathematics

Answer: (b).1, 3, 6, 10, 15, 21……

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Q. Which of the following is a Triangular number series?

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