24 men can repair a road in 50 days. If they are joined by 16 more men, then in how much time (in days) the road can be repaired?
24 men can repair a road in 50 days
Let time taken by (24+16=40) men = $$x$$ days
Using, $$M_1D_1=M_2D_2$$
=> $$24\times50=40\times x$$
=> $$x=\frac{120}{4}=30$$
$$\therefore$$ Road can be prepared in =Â 30 days
=> Ans - (D)
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