Question

There are 15 numbers such that average of first 12 numbers is 80 while the average of last five numbers is 110. Find the 12th number, if the ratio between 11th and 12th number is 13:7, respectively.

A 143.5
B 103.5
C 133.5
D 153.5
Practice Next

More Average Questions

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)