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Practicing Success
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A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in : |
4 days 6 days 8 days 18 days |
4 days |
Efficiency of A = 2 and B = 1 (as, A works twice as fast as B) Efficiency of A + B = 3 Days required by A and B together to complete the work: \(\frac{12 }{3 }\) = 4 days |
