Question

8, 15, 31, 61, 123, 247, 491
(A) 247
(B) 491
(C) 121
(D) 61. find the wrong term ... ​

Answer 1

Answer:

C 123......

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Answer 2

Answer:

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Hello mate....

Answer is C)

Reason:

If you double 1st tem it is 16 and subtract 1 from it ans is 30

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next if you double 15 answer is 30 and add one to it answer is

31

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Same if you double and subtract and add 1 alternatily

This makes sequence but

121 does not match...