Which of the following numbers will replace the question mark in the given series 60 120 125 250 255...........

Logical Reasoning (MTS) Number series

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

60, 120, 125, 250, 255, ?, 515

This questions was previously asked in

SSC MTS 27th October 2021 Shift-1

550

350

310

510

- Let's look at the given series: 60, 120, 125, 250, 255, ?, 515.

- The sequence goes from 60 to 120 by multiplying by 2.

- From 120 to 125, it adds 5.

- From 125 to 250, it multiplies by 2.

- From 250 to 255, it adds 5.

- We can see a pattern: multiplication by 2, addition of 5, and repeat.

- So, from 255, if we follow this pattern, we multiply by 2 to get 510.

- Option 1: 550 (Incorrect, doesn't follow the pattern).

- Option 2: 350 (Incorrect, doesn't follow the pattern).

- Option 3: 310 (Incorrect, doesn't follow the pattern).

- Option 4: 510 (Correct, follows the pattern).

510 is the correct replacement for the question mark.

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