- Books Name
- CBSE Class 6 Mathematics Book
- Param Publication
- CBSE Class 6
Average is equal to the sum of observation dividing by the number of observation.
Ex.1 Find the average of all prime numbers between 30 and 50.
Sol. There are five prime numbers between 30 and 50.
They are 31, 37, 41, 43, and 47
Ex.2 Find the average of first 5 multiples of 7.