Question

Mean salary of 20 workers is Rs 10,250.if salary of office SUPERINTENDENT is added the mean WILL increase by rs 750.Find salary of the office SUPERINTENDENT .

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Answer 1

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Answer 2

hi ,here is your answer

20#×102.50=40 2,500

x---2,02500÷2#={11,000}

x---2,0500={11,606001

750×10,100

1,000rs

===28,580

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