The average of the ages of Sumit, Krishna and Rishabh is 43 and the average of the ages of Sumit, Rishabh and Rohit is 4…

The average of 11 results is 60. If the average of first six results is 58 and that of last six is 63, find the 6<sup…

The average weight of a group of 20 boys was calculated to be 89.4 kg and it was later discovered that one weight was mi…

The average age of 11 players of a cricket team decreases by 2 months when two new players are included in the team repl…

Total weekly emoluments of the workers of a factory is Rs. 1534. Average weekly emolument of a worker is Rs. 118. The nu…

The average of 8 numbers is 20. The average of first two numbers is $$15\frac{1}{2}$$ and that of the next three is $$21…

The average age of 30 boys in a class in 15 years. One boy, aged 20 years, left the class, but two new boys came in his …

Average of a, b, and c is 11; average of c, d and e is 17; average of e and f is 22 and average of e and c is 17. Find o…