Correct Answer - Option 1 : 25
Given:
Numbers = 23, 42, 15, 20 and 25.
Formula:
Average = Sum of terms/Number of terms
Calculation:
Total sum of numbers,
⇒ 23 + 42 + 15 + 20 + 25 = 125
Number of numbers = 5
⇒ Average = 125/5
⇒ Average = 25
∴ The average is 25.