The average of 13 numbers is 59and the average of first 7 numbers is 55, and last 7 numbers is 62, find the value of 6th number ?
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Answered by
1
Answer:
विकेट हितों ହୋଇଛି curtin I'm
Answered by
1
Answer:
52
Step-by-step explanation:
S= Sum of 13 numbers= 59*13= 767
A= Sum of first 7 numbers= 55*7= 385
B= Sum of last 7 numbers=62*7= 434
Therefore ,
Sum of first 7 numbers + sum of last 7 numbers - 6th Number = sum of 13 Numbers
385 + 434 - X = 767
385 + 434 -767 = X
X = 819 - 767
X = 52
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