What should come in place of the question mark (?) in the following number series? 10 14 25 55 140 (?)

Question

What should come in place of the question mark (?) in the following number series? 10 14 25 55 140 (?)

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

10 14 25 55 140 (?)

(a) 386 (b) 398 (c) 388 (d) 396 (e) None of these

Monjur Alahi

4 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

(c) The series is as follows:
× 3 – 16, × 3 – 17, × 3 – 20, × 3 – 25, × 3 – 32
Hence, ? = 140 × 3 – 32 = 388

4 views Answered 2023-02-05 15:29