Find out the missing number of the series.
2, 6, 12, 20, ? , 42, 56


A) 30

B) 12

C) 35

D) 36

Correct Answer:
A) 30

Description for Correct answer:
2+4 = 6; 6+6=12; 12+8= 20; 20+10= 30; 30+12=42; 42+14=56

Starting from the first figure

add 4, 6, 8, 10 12 etc. to each term respectively.

Part of solved Number series questions and answers : >> Aptitude >> Number series








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