A pipe can empty 2/3rd of a cistern in 10mins. In 8 mins, what part of the cistern will be empty?
Select.
A) 2/3
B) 3/7
C) 8/15
D) 3/8
E) 4/7
2/3 ---- 10   ? ----- 8 ==&gt; 8/15   8/15
<result>C</result>
A pipe can empty 2/3rd of a cistern in 10mins. In 8 mins, what part of the cistern will be empty?