The average of 36 numbers is 20. If three numbers, 15, 20 and 25 are removed then the average of the remaining numbers isA22B18C21D20Answer: D. 20 Read Explanation: Average of 36 number is 20. Total of 36 number = 20 × 36 = 720 Now, 720 - 15 - 20 - 25 = 660 New Average = 660/33 = 20Read more in App