Question
To fill a tank, 25 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 ?
Answer: Option C
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Let the capacity of 1 bucket = x.
Then, the capacity of tank = 25x.
New capacity of bucket = \(\frac{2}{5}x\)
Required number of buckets = \(\frac{25x}{(\frac{2x}{5})}\)
= \(\left(25x\times\frac{5}{2x}\right)\)
= \(\frac{125}{2}\)
=62.5
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