GIVEN:The average of all odd NUMBERS up to 100Formula used:SUM of odd number is n2Number of odd number is nAverage = sum of the observation/number of observationCalculation:ACCORDING to the question,Odd number in 1 to 100 is 50Sum of the odd number is n2n = 50 ⇒ n2 = 502 = 2500Average of the odd number ⇒ 2500/50⇒ 50∴ The average of 0 to 100 is 50.