An outlet pipe can empty 2/3 rd of a cistern in 12 minutes. In 10 minutes, what part of the cistern will be emptied?	Choose the correct choice from the following:
A) 4/9  B) 4/3  C) 4/2  D) 5/9  E) 4/1
2/3 ---- 12   ? ----- 10 ==&gt; 5/9   Answer: 5/9
<result>D</result>
An outlet pipe can empty 2/3 rd of a cistern in 12 minutes. In 10 minutes, what part of the cistern will be emptied?