After working for 4 days, Ashok finds that only 1/3 rd of the work has been done. He employs Ravi who is 60% as efficient as Ashok. How many days more would Ravi take to complete the work? Options.
A) 13 1/3 days	B) 14 1/3 days	C) 15 1/3 days	D) 3 1/3 days	E) 23 1/3 days
1/3 ---- 4   1 -------? 13 1/3 days = 12   R = 1/12 * 60/100 = 1/20   1 ----- 1/20   2/3 ----? =&gt; 13 1/3 days   13 1/3 daysNSWER:13 1/3 days
<result>A</result>
After working for 4 days, Ashok finds that only 1/3 rd of the work has been done. He employs Ravi who is 60% as efficient as Ashok. How many days more would Ravi take to complete the work?