Amit and Ananthu can do a work in 15 days and 30 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?
Options:
A) 28 days  B) 20 days  C) 23 days  D) 25 days  E) 27 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= 1/30   Ananthu can do work in = 4/5 *30= 
<gadget id="calculator">4/5 *30</gadget>
<output>24</output>
24 days   So total days= 24+3= 
<gadget id="calculator">24+3</gadget>
<output>27</output>
27 days   ANSW27 daysR:27 days
<result>E</result>
Amit and Ananthu can do a work in 15 days and 30 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?