ibps-rrb-os1 2025 · Question 58 of 71
Number Series
Differences: 4,8,14,24,32,48. Differences of differences: 4,6,10,8,16 — not consistent. Pattern: +4,+8,+16,+24,+32,+48 (doubling every other)? 103,107,115,131,155,187,235. So 185 should be 187. Answer (b) 185.
Source: IBPS RRB PO Pre 2025 Practice Paper — Memory-Based Pattern (22nd November 2025, 2nd Shift, Oliveboard) · memory-based
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