Question

if 20 men can build a wall 56 m long in 6 days,what lenght of a similar wall can be built by 35 men in 3 days?

Answer 1

in case 1

no of men =20,length of wall =56 in 6 days

in case 2:

let the length of wall be x

by comapring both cases 1 and 2

56/(20*6)=x/(35*3)

x=49.

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