To fill a tank, 200 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 four-fifths of its present ? Select the correct option
A) 50
B) 100
C) 150
D) 200
E) 250
Let the capacity of 1 bucket = x.   Then, the capacity of tank = 200x.   New capacity of bucket = 4/5 x   Therefore, Required number of buckets = (200x)/(4x/5)   = (200x) x 5/4x   = 1000/4= 
<gadget id="calculator">1000/4</gadget>
<output>250</output>
250   Answer is 250.
<result>E</result>
To fill a tank, 200 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 four-fifths of its present ?