Lessons

General Aptitude
18.3 Odd Man Out and Series - Missing No.

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Q.

Insert the missing number.
2, 6, 12, 20, 30, 42, 56, (....)

View Answer

Correct choice: C

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 next number is 8 x 9 = 72.

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