Lessons

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

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Q.

Insert the missing number.
3, 7, 6, 5, 9, 3, 12, 1, 15, (....)

View Answer

Correct choice: C

Explanation:

There are two series, beginning respectively with 3 and 7. In one 3 is added and in another 2 is subtracted.

The next number is 1 - 2 = -1.

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