Number Series Challenge: What will come in place of question mark (?) in

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What will come in place of question mark (?) in the following number series: 18, 20, 44, 138, 560, 2810, (?)

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The pattern of the number series is : (18 × 1) + 2 = 20 (20 × 2) + 4 =...

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Solution

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Find the length of the platform if a train of length 400 m running at a speed of 45 km/hr crosses the platform in 60 seconds.

In the following question some statements are given and these statements are followed by two conclusions numbered (1) and (2). You have to take the given statements to be true even if they seem to be at variance from…

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