20 buckets of water fill a tank when the capacity of each bucket is 13.5 litres. How many buckets will be required to fill the same tank ifthe capacity of each bucket is 9 litres?
A30
B32
C60
D45
Answer:
A. 30
Read Explanation:
Capacity of the tank = 13.5X20-270 litres
Now, capacity of each bucket - 9 litres
Required number of buckets -270/9 = 30