The average daily wage of 8 workers in a company is Rs.140 . If the Supervisor wage is included, the average becomes Rs.150 . What is the wage of the Supervisor?
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Step-by-step explanation:
ave. wage of 8=140
wage of 8 =140×8=1120
Ave. wage of 9 =150
wage of 9 (included supervisor)=150×9=1350
ave of supervisor=1350-1120
=230
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