Question

Which of the following numbers will replace the question mark (?) in the given series? 12, [?],45, 169, 511, 1841

A 23
B 20
C 25
D 19
Practice Next

Hey! Ask a query

🎓
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
  • 200 Questions with Detailed Solutions
  • Section-wise Coverage (GA, English, Quant & Reasoning)