If 10 persons can dig 8 feet trench in 12 days,then how many days will 8 persons take to dig 6 feet trench?
Correct Answer: Description for Correct answer:
According to Man-day-work concept
\( \Large \frac{M_{1} \times D_{1}}{W_{1}} = \frac{M_{2} \times D_{2}}{W_{2}}\)
\( \Large \frac{10 \times 12}{8} = \frac{8 \times D_{2}}{6} \)
\( \Large D_{2} = \frac{10 \times 12 \times 6 }{64} \)
= 11.25 days
Option (D)is correct.
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