Which number from the options will replace the question mark in the following series 1 6 7 13 20 33 ........

Logical Reasoning (MTS) Number series

Which number from the options will replace the question mark (?) in the following

series?

1, 6, 7, 13, 20, 33, ?

This questions was previously asked in

SSC MTS 14th October 2021 Shift-1

- Let's examine the series: 1, 6, 7, 13, 20, 33, ?

- Consider the differences between each pair of consecutive numbers:

- 6 - 1 = 5

- 7 - 6 = 1

- 13 - 7 = 6

- 20 - 13 = 7

- 33 - 20 = 13

- Notice the pattern in differences: 5, 1, 6, 7, 13. Each difference can be expressed using a previous number:

- 1 ? 5

- 6 ? 6

- 7 ? 1

- 13 ? 6

- The next difference should be 20.

- Add the next difference to the last number in the series:

- 33 + 20 = 53

The correct answer is Option 4: 53.

Submit Error