free dedo yaar,
btw
a does work in 10 days
b does work in 20 days
together?
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take the lcm of days (10,20)= 20 units
lcm will be the total units.
so, a does work in 10 days= 2 units /day
and, b does work in 20 days= 1 units/ day
Therefore, total units done by a and b together= 3 units/day
No. of days work by a and b together= total units/ total units produced by a and b together
no. of days= 20/3 = 6.666.. days or simply we can say 6.67 days
Academic discussion and doubt solving for: Percentages, Ratios, Time & Work, Averages, Time/Speed/Distance, Mixture/Alligation, Profit/Loss, Simple/Compound Interest.
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Therefore, the time taken by both of them together to finish the work will be 6.66 days.