Question

A can complete a work in 200 days and
b can complete the same work in 300
days. A & B work together for some
days and B left now A complete the
remaining work in 100 days. Find the
number of days B works:​

Answer 1

Answer:

60 days

assume lcm of 200,300 as total work

600 units

efficiency 3 of a

and 2 of b

so 3*100=300 work done only by a

so 300 work done by both

300/5=60 days