To fill a tank, 10 buckets of water is required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to two-fifth of its present ?  Select.
A) 25  B) 50  C) 75  D) 100  E) 125
Let the capacity of 1 bucket = x.   Then, the capacity of tank = 10x.   New capacity of bucket = 2/5 x   Therefore, Required number of buckets = (10x)/(2x/5)   = (10x) x 5/2x   = 50/2= 
<gadget id="calculator">50/2</gadget>
<output>25</output>
25   25nswer is 25.
<result>A</result>
To fill a tank, 10 buckets of water is required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to two-fifth of its present ?