Problema Solution
Find the next number in the number pattern 3, 6, 10, 15...
Answer provided by our tutors
3
6 = 3 + 3
10 = 6 + 4 = 3 + 3 + 4
15 = 10 + 5 = 3 + 3 + 4 + 5
21 = 15 + 6 = 3 + 3 + 4 + 5 + 6
So the next number is 21.
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