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Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
1, 6, 15, ?, 45, 66, 91

Option 1: 25

Option 2: 26

Option 3: 27

Option 4: 28


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

Correct Answer: 28


Solution : Given:
1, 6, 15, ?, 45, 66, 91

The pattern is as follows–

So, the required missing number is 28. Hence the fourth option is correct.

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