What should come in place of the question mark (?) in the following number series? 8 20 50 125 ? 781.25

Question

What should come in place of the question mark (?) in the following number series? 8 20 50 125 ? 781.25

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

8 20 50 125 ? 781.25

(a) 300 (b) 295.5 (c) 315 (d) 312.5 (e) None of these

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

(d) The pattern of the series is as follows :
8 × 2.5 = 20
20 × 2.5 = 50
50 × 2.5 = 125
? = 125 × 2.5 = 312.5

6 views Answered 2023-02-05 15:29