A work as fast as B. If B can complete a work in 16days independently,the number of days in which A and B can together finish the work in?	Choose the correct choice from the following answers.
A) 2days
B) 3days
C) 4days
D) 5 1/3days
E) 6days
Ratio of rates of working of A and B = 2:1   ratio of times taken = 1:2   A's 1day work = 1/8   B's 1day work = 1/16   A+B 1day work = 1/8 + 1/16  +  1= 
<gadget id="calculator"> +  1</gadget>
<output>1</output>
1/8 + 1/16= 3/16 =&gt; 16/3 = 5 1/3   A and B can finish the work in 5 1/3 days   Answer is 5 1/3days
<result>D</result>
A work as fast as B. If B can complete a work in 16days independently,the number of days in which A and B can together finish the work in?