Question

Of 10 computer chips, 4 are defective. What is the probability of selecting 3 without replacement, only one of which is defective?

A 0.5
B 0.9
C 1
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)