Average = Sum of all numbers/number of term ⇒ Average of all numbers = (59 + 63 + 68 + 77 + 74 + 73)/6 ⇒ Average of all numbers = 414/6 = 69 When each number is divided by 23 then average, ⇒ New average of all numbers = 69/23 = 3 ∴ New average of all numbers is 3.