Question 33

Select the number that can replace the question mark (?) in the following series.
279, 277, 273, 267, ?

Solution

Here, It's observed that difference between two terms is increasing by 2 each time.

279-277=2

277-273=4

273-267=6

Therefore, next difference would be 8. Then, 267-8=259.

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Select the number that can replace the question mark (?) in the following series.279, 277, 273, 267, ?