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- 2, 6, 12, 20, 30, ?
Question 1:
2, 6, 12, 20, 30, ? A. 36
B. 42
Feedback 1*1 + 1 = 2
2*2 + 2 = 6
3*3 + 3 = 12
4*4 + 4 = 20
5*5 + 5 = 30
6*6 + 6 = 42
So, ?” will be replaced with 42
2*2 + 2 = 6
3*3 + 3 = 12
4*4 + 4 = 20
5*5 + 5 = 30
6*6 + 6 = 42
So, ?” will be replaced with 42
C. 55
D. 60
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