A can do 50% of the job in 16 days, B can do $$\frac{1}{4^{th}}$$ of the job in 24 days. In how many days can they do $$\frac{3}{4^{th}}$$ of the job working together?
A can complete the whole work in 16*2=32 days
B can complete the whole work in 24*4=96 days
they both can complete the whole work in (96*32)/(128)
=24 days
The can complete (3/4)th work in 24*3/4 =18 daysÂ
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