**Find the average of all prime numbers between 30 and 50.**

### Note

There are five prime numbers between 30 and 50.

They are 31, 37, 41, 43 and 47.

**∴ Required average = (31+37+41+43+47)/5 = 199/5 = 39.8.**

There are five prime numbers between 30 and 50.

They are 31, 37, 41, 43 and 47.

**∴ Required average = (31+37+41+43+47)/5 = 199/5 = 39.8.**