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26 vote

What will come in place of question mark (?) in the following number series? 8000, 1600, ?, 192, 96, 57.6

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

8000, 1600, ?, 192, 96, 57.6
1). 240
2). 480
3). 400
4). 800


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1 answers

27 vote
Answered by on | Votes 27 |

Observing the pattern,

⇒ 1600/8000 = 0.2

⇒ ?/1600 = x

⇒ 192/x = y

⇒ 96/192 = 0.5

⇒ 57.6/96 = 0.6

⇒ x = 0.3 and y = 0.4

∴ ? = 1600 × 0.3 = 480
Accepted Answer

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