A pipe can empty 2/3rd of a cistern in 12mins. In 8 mins, what part of the cistern will be empty?
Pick one:
A) 2/3
B) 3/7
C) 4/9
D) 3/8
E) 4/7
2/3 ---- 12   ? ----- 8 ==&gt; 4/9   4/9
<result>C</result>
A pipe can empty 2/3rd of a cistern in 12mins. In 8 mins, what part of the cistern will be empty?