Instructions

What should come in place of the question mark (?) in the following number series?

Question 132

50, 26, 14, ?, 5, 3.5

Solution

The pattern here followed is :

50 - 24 = 26

26 - 12 = 14

14 - 6 = 8

8 - 3 = 5

5 - 1.5 = 3.5

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