Answer :

Given:


Rehana requires 5 hours to paint the whole saree


Formula Used\Theory:


Division of specific time with total time gives


The amount of work done in that time interval


Let X be work of painting a saree


If the work X is done in 5 hours


Then work done in 1 hour is


Part of work X is done in 1 hours


Hours = Hours = Hours


If work done in 1 hour is


Then work done in hours is


=


Part of work X is done hours


Hours = Hours = Hours


If work done in 1 hour is


Then work done in hours is


=


Part of work X will be done hours


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