Question : Directions: Select the option that will replace the question mark to complete the given series.
7, 17, 41, 85, ?, 257

Option 1: 155

Option 2: 165

Option 3: 105

Option 4: 150


Team Careers360 10th Jan, 2024
Answer (1)
Team Careers360 22nd Jan, 2024

Correct Answer: 155


Solution : Given:
7, 17, 41, 85, ?, 257

The pattern is as follows –

So, the required missing number in the series is 155. Hence, the first option is correct.

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