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Find out the wrong number in the sequence 169, 144, 121, 100, 82, 64, 49
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- 144
- 49
- 64
- 82
- 144
Correct Option: D
The pattern of the sequence is :
169 = 13²
144 = 12²
121 = 11²
100 = 10²
81 = 9² ≠ 82
From above it is clear that fifth term 82 is wrong .So , correct number is 81 which is square of 9 number .Thus , required answer is 82 .
