38. 12 men and 16 women together ca...
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38. 12 men and 16 women together can complete a work in 4 days. It takes 80 days for one man alone to complete the same work, then how many days would be required for one women alone to complete the same work? RRB NTPC (Phase 1) 2016 (1) 160 (2) 150 (3) 130 in (4) 175

11th - 12th Class
Maths
Solution
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( frac{12}{M}+frac{16}{w}=frac{1}{4} ) ( M / W ) - days taken by Iman/women to complete werk ( M=80 ) days ( frac{3 pm x+16=frac{16}{4}}{frac{20.80}{w}=frac{1}{4}-frac{3}{4}} ) ( frac{16}{w}=frac{5-3}{20} ) ( frac{16}{w}=frac{7}{20} frac{1}{10} ) (1) 160 ( w=160 ) days
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