The average of five numbers is 6.9. If one of the numbers is deleted, the average of the remaining numbers is 4.4. What is the value of the number deleted?
Created: 5 years ago |
Updated: 3 years ago
best des
Let, the sum of first four numbers is x
and the deleted number is N
According to the question
x/4 = 4.4
x = 4.4 ×4 = 17.6
And, (x + N) /5 = 6.9
N = 16.9
Md Azizur Rahman
Founder of Satt
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