The average of 7 consecutive numbers is 20. The largest of these numbers is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 23.
Let the 7 consecutive numbers be:
x − 3 , x − 2 , x − 1 , x , x + 1 , x + 2 , x + 3
Average = middle term = x
x = 20
Largest number = x + 3 = 20 + 3 = 23