24. The average wage of 500 workers...
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24. The average wage of 500 workers was found to be *200. Later on it was discovered that the wages of two workers were misread as 180 and 20 instead of 80 and 220. The correct average wage is (1) *200.10 (2) *200.20 (3) 200.50 (4) 201.00

11th - 12th Class
Maths
Solution
128
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24. (2) Total wages of 500 workers [ =500 times 200=₹ 100000 ] ( therefore ) New sum [ begin{array}{l} =(100000-180-20+80+220) =₹ 100100 end{array} ] Hence, new average wage [ begin{array}{l} =frac{text { New sum }}{text { Number of workers }} =frac{100100}{500}=₹ 200.20 end{array} ]
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