A and B can together finish a work in 40days. They worked together for 10days and then B left. After another 18 days, A finished the remaining work. In how many days A alone can finish the job? Select the correct option
A) 10
B) 24
C) 60
D) 30
E) 20
A+24 10days work = 10*1/40 = 1/4   Remaining work = 1-1/4 = 3/4   3/4 work is done by A in 18 days   whole work will be done by A in  18*4/3= 
<gadget id="calculator"> 18*4/3</gadget>
<output>24</output>
24 days   Answer is 24
<result>B</result>
A and B can together finish a work in 40days. They worked together for 10days and then B left. After another 18 days, A finished the remaining work. In how many days A alone can finish the job?