C-03-Q177: 10 persons in 7 days at 6 hr/day. 14 persons in 6 days at how many hr/… | প্রশ্ন করি

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C-03-Q177mediumsingle_mcq

10 persons in 7 days at 6 hr/day. 14 persons in 6 days at how many hr/day?

a $5$
b $6$
c $4$
d $7$

ব্যাখ্যা

Total work is constant: $10\times7\times6 = 14\times6\times h$ , so $420 = 84h$ and hours per day. More workers over fewer days need fewer daily hours.

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