Question

A completes 80% of a work in 20 days after A and B completes the remaining work in 23 days. Then how long would B would take to complete the work?​

Answer 1

$\huge \underline \bold \red{Answer:-}$

37½ days taken by B to complete the work alone.

$\huge \underline \bold \green{Solution:-}$

A completes the whole work in 20 x 100/80= 25- days.

Therefore,

B will complete the whole work alone in =25 x1½ = 37½- days.