Question

The cost of painting the surface of a large spherical ball at the rate of ₹2.40 per cm² is ₹9,240. What is the radius (in cm) of the ball? (Use π = 22.)

A 21
B 18.5
C 17.5
D 16.5
Practice Next

Relevant for Exams:

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)