Math, asked by sandy410, 1 year ago

if the average (arithmetic mean) of 5 numbers j, j+5, 2j-1, 4j-2 and 5j-1 is 8, what is the value of j?​

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Answered by brunoconti
2

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Answered by yash6989262
0
here
mean of 5 no. is 8
then
mean=(j)+(j+5)+(2j-1)+(4j-2)+(5j-1)/5
8=j+j+5+2j-1+4j-2+5j-1/5
13j+1=8×5
13j=40-1
13j=39
j=39/13
j=3

therefore value of j is 3
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