A can do a task in 18 days, B can do the same task in 24 days, and C can destroy the whole work in 36 days. If A & B work for the first x x x days...

Banking IBPS PO Mains Medium Simplification MCQ

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A can do a task in 18 days, B can do the same task in 24 days, and C can destroy the whole work in 36 days. If A & B work for the first $x$ days together, after that C also joined them, remaining work is completed in $\left(x + \frac{4}{5}\right)$ days. Find how many days all three worked together?

Options

$\frac{6}{4} \text{ days}$

$\frac{5}{4} \text{ days}$

$\frac{4}{4} \text{ days}$

$\frac{7}{4} \text{ days}$

$\frac{8}{4} \text{ days}$

work and timeefficiencywork donedestructive worktime calculation

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A can do a task in 18 days, B can do the same task in 24 days, and C can destroy the whole work in 36 days. If A &amp; B work for the first x x x days...

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A can do a task in 18 days, B can do the same task in 24 days, and C can destroy the whole work in 36 days. If A & B work for the first x x x days...