ibps-rrb-os1 2020 · Question 49 of 176
Simplification/Approximation
The series is :-x1 +1³, x2 +2³, X3 + 3³, X4+4³, X5+5³….. IBPS RRB Scale I Officer 2020 Mains Previous Year Paper
Source: IBPS RRB PO (Scale 1) Officer 2020 Mains Previous Year Paper — Answer Key & Detailed Solutions (memory-based compilation, ixamBee) · memory-based
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