The average of 20 numbers is 32. If two numbers are 29 and 31, then what is the
What is the average of the remaining numbers (correct, up to two decimals)?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 32.22
According to the question
The average of 20 numbers is 32.
The sum of 20 numbers = 32 * 20 = 640
If two numbers are 29 and 31
Then the sum of the remaining numbers = 640 - 29 - 31 = 580
the average of the remaining numbers = 580/18 = 32.22