If the mean of x,x+3,x+5,x+7,x+10 is 9, then the mean of last three observations is :
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5x+25=45
5x=20
x=4
last 3 observation are x+5,x+7,x+ 10
mean is 34/3
5x=20
x=4
last 3 observation are x+5,x+7,x+ 10
mean is 34/3
Anudeep1999:
is the answer right
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