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Question : The odd term in the sequence 0, 7, 26, 63, 124, 217 is:

Option 1: 217

Option 2: 7

Option 3: 26

Option 4: 63


Team Careers360 19th Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: 217


Solution : Given: The sequence 0, 7, 26, 63, 124, 217.
The pattern formed here is,
1 3 – 1 = 1 – 1 = 0
2 3 – 1 = 8 – 1 = 7
3 3 – 1 = 27 – 1 = 26
4 3 – 1 = 64 – 1 = 63
5 3 – 1 = 125 – 1 = 124
6 3 – 1 = 216 – 1 = 215
Since, 217 is the wrong term as 217 $\neq$215. So, 215 is the correct term.
Hence, the correct answer is 217.

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