Average of 6 digits is 8 . Adding one more digit to it makes it 10 so find out the 7 th digit?
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Answer:
7th digit =2
Step-by-step explanation:
Let the six digits be a,b,c,d,e,and f
Given,
Average of six digits=8
a+b+c+d+e+f/2=8-------eq1
a+b+c+d+e+f=8×2
a+b+c+d+e+f=16
Also,given that if one more digit is added to eq1 then the value would be 10
a+b+c+d+e+f/2+g=10
16/2+g=10
8+g=10
g=10-8
g=2
The seventh digit=2
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