Question

A is thrice as good a workman as B and takes 64 days less than B for doing a job. Find the time in which they can do it together.

Answer 1

Here, $k=3,x=64$

$\therefore$ Time in which they can do it together $=\frac{3\times 64}{3^2-1}=\frac{3\times 64}{8}=24$ days