2, 6, 12, 20 , 30 , 42 ? (a) 50 (b) 52 (c) 54 (d) 56

2, 6, 12, 20 , 30 , 42 ?

(a) 50

(b) 52

(c) 54

(d) 56
by

1 Answer

Answer :

The difference between the numbers in this series is increased by 2 at each step.
by

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