RRB NTPC CBT I 30 Dec 2020 Shift 1 Paper
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Question : 45 of 100
Marks:
+1,
-0
Select the number from among the given options that can replace the question mark (?) in the following series.
2, 6, 12, 20, 30, 42, ?
2, 6, 12, 20, 30, 42, ?
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