What will replace the question mark (?) in the following series?1, 3, 9, 39, 249, 2559, ?.
Question
What will replace the question mark (?) in the following series?1, 3, 9, 39, 249, 2559, ?.
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Solution 1
The pattern in the series is as follows:
- From 1 to 3, multiply by 2 and add 1 (1*2 + 1 = 3)
- From 3 to 9, multiply by 3 and add 0 (3*3 + 0 = 9)
- From 9 to 39, multiply by 4 and subtract 1 (9*4 - 1 = 35)
- From 39 to 249, multiply by 6 and add 9 (39*6 + 9 = 243)
- From 249 to 2559, multiply by 1 Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv
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