Time and Work Problem
Problem :
men(x1) or
women(y1) can complete a work in
days(z1).
men(x2) and
women(y2) started doing the work. After
days(z2),
men(x3) and
women(y3) left the work.
The Rest shall finish the work in how many days ? Answer -
days(z3)
Total no. of days to complete the work ? Answer-
days(z2+z3)
Formula-( z1-z2*A1)/(A1-A2) where A1=(x2/x1) + (y2/y1) and A2= (x3/x1) + (y3/y1)