For the same sum ( no 3 ) , in how many days will the work be over when done by A & B together
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For the same sum ( no 3 ) , in how many days will the work be over when done by A & B together
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Answer:
In time and work we will learn to calculate and find the time required to complete a piece of work and also find work done in a given period of time. We know the amount of work done by a person varies directly with the time taken by him to complete the work.
(i) Suppose A can finish a piece of work in 8 days.
Then, work done by A in 1 day = ¹/₈ [by unitary method].
(ii) Suppose that the work done by A in 1 day is ¹/₆
Then, time taken by A to finish the whole work = 6 days.