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Question
2  8   12   20   30   42   56  find out the wrong number?
Options:
A .  8
B .  42
C .  30
D .  20
Answer: Option B


2+4 =6 ≠8 
6+6 = 12 
12+8 = 20 
20+10 = 30 
30+12 = 42 
42+14 = 56



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