IBPS RRB Officer Scale 1 Exam 12 Sep 2020 Prelims Shift 1 Paper
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Question : 42 of 80
Marks:
+1,
-0
What should come in place of the question mark '?' in the following number series?
287, ?, 71, 35, 17, 8
287, ?, 71, 35, 17, 8
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