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Azhar ShahidA does half as much work as B in three fourths of the time. If together they take 18 days to complete a work, how much time shall B take to do it?
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Given,
⇒ A × 1/6 = B × 1/2
⇒ A = 3B
⇒ \(\frac{A}{B} = \frac{3}{1}\)
∴ A’s efficiency = 3 unit / day.
& B’s efficiency = 1 unit / day.
According to Qs.
(A + B) Complete in 10 day
∴ Total Work = (3 + 1) × 10
= 4 × 10 = 40
∴ Time taken by \(A = \frac{{40}}{{3}}\)
= 13.33 Days = 13 Days.
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Correct Answer:
Description for Correct answer:
\( \Large A:B \)time \( \Large 3:1 \)eff. \( \Large 1:2 \)We have to do time equal so,
=\( \Large \frac{180}{6} =30\) days
Part of solved Time and work questions and answers : >> Aptitude >> Time and work
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