A and B complete a work in 4 days. A alone can do it in 6 days. If both together can do the work in how many days?
Options
A) 3.75 days  B) 3.7 days  C) 3.6 days  D) 2.4 days  E) 5.75 days
1/4+ 1/6 = 5/12   12/5= 
<gadget id="calculator">12/5</gadget>
<output>12/5 = around 2.4</output>
2.4 days   Answer:2.4 days
<result>D</result>
A and B complete a work in 4 days. A alone can do it in 6 days. If both together can do the work in how many days?