540 550 575 585 608 620 645 ........

Qunatitative Aptitude (RBI Ast) Number series

Direction : Find the wrong number in following number series.

540, 550, 575, 585, 608, 620, 645

This questions was previously asked in

RBI Assistant 2020

608

550

575

645

585

- Let's break down the sequence to find the pattern:

- 540 to 550: Increase by 10

- 550 to 575: Increase by 25

- 575 to 585: Increase by 10

- 585 to 608: Increase by 23

- 608 to 620: Increase by 12

- 620 to 645: Increase by 25

- The series seems to alternate between increasing by 10, 25, and 10, but the jump from 585 to 608 (which is 23) disrupts this pattern.

- The expected number instead of 608 should be 585 + 25 = 610, to maintain the pattern.

- Therefore, the error lies in the number 608 in the sequence as it disrupts the intended pattern.

- 608 is the incorrect number.

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