DSSSB · Reasoning
In the given series? What should come in place of? 4 13 31 67 139 ?
- 280
- 282
- 281
- 283
दी गई शृंखला में ? के स्थान पर क्या आना चाहिए? 4 13 31 67 139 ?
- 280
- 282
- 281
- 283
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