Question

The average weight of a group of 15 students increases by 1.5 kg when the weight of the teacher is also included. If earlier the average weight of the group was 55 kg, then find the weight of the teacher.

A 75 kg
B 79 kg
C 84 kg
D 77 kg
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)