Question

1. Which number in the following sequence is incorrect ?
1,4, 13, 40, 122, 364, ...........
(a) 13
(b) 40
(c) 122
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Answer 1

Which number in the following sequence is incorrect ?

1,4, 13, 40, 122, 364, ...........

Ans - 122

Answer 2

Answer:

122

Step-by-step explanation:

4-1=3

13-4=9=3*3

40-13=27=3*9

122-40=82=27*3+1