Multiple Choice Questions

Select the number from among the given options that can replace the question mark in the following s...........

Logical Resoning (CGL) Number series

Select the number from among the given options that can replace the question mark (?) in the following series.

80, 73,64, 53,40,?

This questions was previously asked in

Combined Graduate Level Examination Tier I 2023

- This sequence is: 80, 73, 64, 53, 40, ?

- Analyze the reduction pattern:

- 80 to 73: decreased by 7

- 73 to 64: decreased by 9

- 64 to 53: decreased by 11

- 53 to 40: decreased by 13

- The reductions follow an increasing pattern of odd numbers: 7, 9, 11, 13, and the next should be 15.

- Subtracting 15 from 40 gives us: 40 - 15 = 25.

- Therefore, the next number is 25.

- 25 coincides with Option 2.

25 is the number that should replace the question mark.

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