Multiple Choice
Which of the following is the sequence of triangular numbers?
A) 1, 3, 6, 9, 12, ...
B) 1, 3, 6, 10, 15, ...
C) 3, 6, 9, 12, ...
D) 3, 6, 10, 15, ...
E) 3, 9, 27, 81, ...
Correct Answer:
Verified
Correct Answer:
Verified
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