1.

Q: 8 men working for 9 hours a day complete a piece of work in 20 days. In how many days can 7 men working for 10 hours a day complete the same piece of work?

A. 21 days
B. $$ {20}{3\over 5}\ days $$
C. $$ {20}{1\over 2}\ days $$
D. $$ {20}{4\over 7}\ days $$
Answer» E.


Discussion

No Comment Found