Question

) ten men can finish construction of a wall in eight days. how much men are needed to finish the work in half-a-day? (1) 80 (2) 100 (3) 120 (4) 160

Answer 1

160 mans can construct the wall in half day because if we find time for one day 10 mens take 8 days to construct then to find mens for one day 10×8=80 then for half day double the mens = 80×2=160