The bar graph shows the number of students present in a class on four days. The average number of students present on Monday, Tuesday and Wednesday is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 25.
Average = Total number of students/total classes
Average = (25 + 30 + 20)/4
⇒ 75/3 = 25
Thus, The average number of students present on Monday, Tuesday, and Wednesday is 25