If A is 20% less efficient than B. If B alone can do the work in 40 days. In how many days can A and B together complete the same work ?
(a) 22 2/9
(b) 20 1/9
(c) 21 2/9
(d) 32 2/9
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Mathematics is KING of ARTS and QUEEN of SCIENCE...My_Teacher
Placed in Infosys With Help for M4Maths
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I got successfully placed in TCS pool drive. Thank you M4 MathsNaveen Kumar 3 years ago