Exams › SSC CGL (Prelims) › General

Three of the following number groups share a common relationship. Which group does not belong with the others?

1. (9, 18, 36)
2. (12, 24, 48)
3. (7, 14, 29)
4. (5, 10, 20)

Correct answer: (7, 14, 29)

Solution

In three groups, each number is double the previous one: 9, 18, 36; 12, 24, 48; and 5, 10, 20. Only 7, 14, 29 breaks the pattern because 14 doubled is 28, not 29.

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