Correct Answer - Option 2 : 60
Given∶
Average of 5 consecutive numbers = 30
Formula Used∶
Average = Sum of observations/Number of observations
Calculation∶
Let the 4 consecutive numbers be x, (x + 1), (x + 2), (x + 3) and (x + 4)
So, [x + (x + 1) + (x + 2) + (x + 3) + (x + 4)]/5 = 30
⇒ 5x + 10 = 150
⇒ x = 140/5 = 28
Largest number = x + 4 = 28 + 4 = 32
Sum = (x) + (x + 4) = 28 + 32 = 60
∴ 60 is the sum of the given numbers