#### Question

Rakesh can do a piece of work in 20 days. How much work can he do in 4 days?

#### Solution

\[ \text{ It is given that Rakesh can do a piece of work in 20 days } . \]

\[ \therefore \text{ Rakesh's 1 day's work } = \frac{1}{20}\]

\[ \therefore \text{ Rakesh's workfor 4 days } = \frac{4}{20} = \frac{1}{5}\]

\[ \text{ Thus, he can do } \frac{1}{5}\text{ th of the work in 4 days } . \]

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Solution Rakesh Can Do a Piece of Work in 20 Days. How Much Work Can He Do in 4 Days? Concept: Time and Work.