1. If mean of the datas x+1,x+2,4,5-x,6 is 20 find the value of x.
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Answer:
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Step-by-step explanation:
mean =( x+1+x+2+4+5-x+6)/ 5
20 = 2x+18
20-18 = 2x
2 /2=x
1=x
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