The average of three numbers is 68.If 52 is added to the three numbers,what is the average of the four numbers?
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The average of the three numbers in question is 68.
Hence the sum of those three numbers would be 68×3=204.
The fourth number in the series is 52.
Sum of the four numbers =204+52=256.
Average of the four numbers =256/4=64.
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