Which number will fit in '?' place in the following series? 2, ?, 12, 20, 30, 42

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RRB Non Technical Exam (Secunderabad) 2016 click here to view all questions

Which number will fit in '?' place in the following series?
2, ?, 12, 20, 30, 42

A2

B5

C6

D10

rahul ? Jan 13 '2020 at 22:24

Correct answer is: 6

Explanation:

The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8.

So, the missing number is 2 x 3 = 6

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Correct answer is: 6 Explanation: The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8. So, the missing number is 2 x 3 = 6 rahul ? answered Jan 13 '2020 at 22:24 All Comments

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