Amit and Ananthu can do a work in 15 days and 60 days respectively. Amit started the work and left after 3 days. Ananthu took over and completed the work. In how many days was the total work completed?
Pick one:
A) 38 days  B) 40 days  C) 43 days  D) 45 days  E) 51 days
Amit’s one day’s work= 1/15   Amit’s 3 day’s work = 1/15 *3 = 1/5   Work left= 1-1/5 = 4/5   Ananthu’s one day’s work= 1/60   Ananthu can do work in = 4/5 *60= 
<gadget id="calculator">4/5 *60</gadget>
<output>48</output>
48 days   So total days= 48+3= 
<gadget id="calculator">48+3</gadget>
<output>51</output>
51 days   ANSW51 daysR:51 days
<result>E</result>
Amit and Ananthu can do a work in 15 days and 60 days respectively. Amit started the work and left after 3 days. Ananthu took over and completed the work. In how many days was the total work completed?