Question

If x + y + z = 10 and x² + y² + z² = 36, then what is the value of x y + y z + z x?

A 32
B 40
C 42
D 24
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)