Exams › SSC CGL (Prelims) › General

Choose the next number in the series: 21, 34, 55, ?

1. 89
2. 90
3. 87
4. 91

Correct answer: 89

Solution

Each term is the sum of the previous two terms: 21 + 34 = 55. So the next term is 34 + 55 = 89.

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