the average of 14 result is 29. the average of first 6 result is 24 and that of the next 7 is 32. what is the last result?
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Answer:
The last result=38
Step-by-step explanation:
Average of 14 result is 29
So sum S14=14*29=406
Average of 6 result =24
Sum S6=24*6=144
Average of next 7 result =32
sum of next 7=32*7=224
Thus sum of 13 results=sum of 6 +sum of next 7
=144+224
=368
So last result=14th result
=Sum of 14 -sum of 13
=406-368
=38
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