IBPS RRB PO Mains 10 Sep 2023 Paper
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Question : 190 of 200
Marks:
+1,
-0
What should come in place of the question mark '?' in the following number series?
510, 254, ?, 62, 30, 14, 6
510, 254, ?, 62, 30, 14, 6
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