The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers ?
Created: 6 years ago |
Updated: 3 years ago
best des
Let the numbers be x, x + 2, x + 4, x + 6 and x + 8.
Then [x + (x + 2) + (x + 4) + (x + 6) + (x + 8) ] / 5 = 61.
or 5x + 20 = 305 or x = 57.
So, required difference = (57 + 8) - 57 = 8
Md Azizur Rahman
Founder of Satt
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