Question

A hollow cylinder has an internal radius of 7 cm and an external radius of 10
cm. If its height is 20 cm, find the total surface area of the cylinder.

A 1992 cm²
B 2208.5 cm²
C 2312 cm²
D 2455.5 cm²
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)