This video solves the question of average and the following question has been solved: 1. The average weight of Sopan, Guruprasad and Rima is 65kg. If the average weight of Sopan and Guruprasad be 67kg and that of Guruprasad be 67kg and that of Guruprasad and Rima be 57kg, then weight of guruprasad is 2. A shop of electronic goods remains closed on Monday. The average sales per day for remaining six days of a week is Rs. 15640 and the average sale of Tuesday to Saturday is Rs. 14124. The sales on Sunday is: 3. The average salary of all the workers in a workshop is Rs.8000. The average salary of 7 technicians is Rs.12000 and the average salary of the rest is Rs.6000. How many workers are there in the workshop? 4. The average of two numbers is 8 and that of another three numbers is 3. The average of those five numbers is 5. If the average of m numbers is n^2 and that of n numbers is m^2 , then the average of (m+n) numbers is 6. The average of runs of a cricket player of 10 innings w...
Preparation for Competitive exams SSC RAILWAY