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P can complete a work in 10 days, Q can complete 40% the same work in 145 days. R, completes 13 days of the work in 1\3 days and S, 1\6 days of the work in 7 days. Who will be able to complete the work first?
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Explanation:
P completes 1\4 of work in 10 days
P completes full of work in =10\1×4= 40 days
Q completes 40 % of work in 145 days
Q completes full 100 % of work in
=145\40×100=362.5 days
R completes 1\3 of work in 13 days
R completes full of work in =13\1×3= 39 days
S completes 1\6 of work in 7 days
S completes full of work in
=7\1×6=42 days
clearly, we can see R completes the work first.