A, B, C, and D together can complete a work 'X' in 7 days. D alone did 1 4 \frac{1}{4} 4 1 th of the work. The ratio of efficiencies of A to...

Banking IBPS PO Mains Medium Simplification MCQ

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A, B, C, and D together can complete a work 'X' in 7 days. D alone did $\frac{1}{4}$ th of the work. The ratio of efficiencies of A to B is 3 : 4, and B is 100% more efficient than C. If A and B together can complete the work in $x$ days, and A and D together can complete the work in $y$ days, find the values of $x$ and $y$ .

Options

$x = 12, y = 14$

$x = 14, y = 12$

$x = 10, y = 15$

$x = 15, y = 10$

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A, B, C, and D together can complete a work &#39;X&#39; in 7 days. D alone did 1 4 \frac{1}{4} 4 1 ​ th of the work. The ratio of efficiencies of A to...

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A, B, C, and D together can complete a work 'X' in 7 days. D alone did 1 4 \frac{1}{4} 4 1 th of the work. The ratio of efficiencies of A to...