12 buckets of water fill a tank when the capacity of each tank is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres?  Choices
A) 18 B) 15 C) 16 D) 12 E) None
Sol.   Capacity of each bucket = 9 litres.   Number of buckets needed = (162/9)= 
<gadget id="calculator">(162/9)</gadget>
<output>18</output>
18.   18nswer 18
<result>A</result>
12 buckets of water fill a tank when the capacity of each tank is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres?