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Number series coding and Decoding and odd man out

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Question : 3 of 51

Marks: +1, -0

Find the missing term of the series

1,9,25,49,

81,121.......

167
168
169
None

Solution:

Concept:

The series consists of squares of consecutive odd numbers.

Explanation:

The terms are:

1 = 1^2

,

9 = 3^2

,

25 = 5^2

,

49 = 7^2

,

81 = 9^2

,

121 = 11^2

.

The next term is the square of the next odd number

13

:

13^2 = 169

.

Answer:

The missing term is

169

, which corresponds to option C.

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