Amit and Ananthu can do a work in 15 days and 25 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?
Answers:  A) 28 days  B) 20 days  C) 23 days  D) 25 days  E) 27 days
28 daysmit’s one day’s work= 1/15   28 daysmit’s 3 day’s work = 1/15 *3 = 1/5   Work left= 1-1/5 = 4/5   28 daysnanthu’s one day’s work= 1/25   28 daysnanthu can do work in = 4/5 *25= 
<gadget id="calculator">4/5 *25</gadget>
<output>20</output>
20/1 days   So total days= 25+3= 
<gadget id="calculator">25+3</gadget>
<output>28</output>
28 days   28 daysNSWER:28 days
<result>A</result>
Amit and Ananthu can do a work in 15 days and 25 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?