Question 143
40 men can finish a work in 15 days. If the work is to be completed 3 days earlier, how many more people should be employed ?
Solution
40 men can finish a work in 15 days
Let $$x$$ men finish the work in (15 - 3) = 12 days
=> $$40 \times 15 = x \times 12$$
=> $$x = \frac{40 * 15}{12}$$
=> $$x = 50$$
$$\therefore$$ (50 - 40) = 10 more men are required.
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