Exams › SSC CGL (Prelims) › General
What comes next in the series: 2, 8, 64, ?
- 128
- 256
- 512
- 1024
Correct answer: 512
Solution
The pattern is 2 × 4 = 8, 8 × 8 = 64 is not consistent, so instead observe powers of 2: 2 = 2^1, 8 = 2^3, 64 = 2^6. The exponents increase by 2, then 3, so the next exponent is 9, giving 2^9 = 512.
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