The average of the first five multiples of 13 is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 39.
Formula used:
Average = Sum of observation/number of observation ---- (1)
Calculations:
First five multiples of 13 = 13, 26, 39, 52, 65
Sum = 13 + 26 + 39 + 52 + 65 = 195
Using equation (1), we get
Average = 195/5 = 39