Exams › SSC CGL (Prelims) › General

Complete the pattern: 5, 15, 45, 135, 405, ?

1. 1225
2. 1220
3. 1240
4. 1215

Correct answer: 1215

Solution

The sequence is a geometric progression with common ratio 3: 5, 15, 45, 135, 405. So the next term is \(405 \times 3 = 1215\).

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