Which of the following numbers will replace the question mark in the given series 11 13 29 91 369 ........

General Intelligence and Reasoning (CHSL) Number series

Which of the following numbers will replace the question mark (?) in the given series?

11, 13, 29, 91, 369, ?

This questions was previously asked in

SSC CHSL 25th May 2022 Shift-1

1815

1851

1158

1518

- Examine the series: 11, 13, 29, 91, 369, ?.

- Look for a pattern between consecutive numbers.

- Notice any possible multiplication or addition pattern.

- For example, let's identify the transformations:

- From 11 to 13: Multiply by 1, then add 2.

- From 13 to 29: Multiply by 2, then add 3.

- From 29 to 91: Multiply by 3, then add 4.

- From 91 to 369: Multiply by 4, then add 5.

- This establishes a multiplying pattern with an incremented factor and increased additive sequence.

- Follow the pattern for 369:

- Multiply by 5 and add 6: \(369 \times 5 + 6 = 1845 + 6 = 1851\).

- Option 2, 1851, fits this pattern.

- Option 2: 1851 is the correct answer.

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