Percentage wise distribution of Topics For Tier-II
TIME AND WORK
1. If A and B working together, can finish a piece of work in x days, B and C in y days, C and A in z days, then
(a) A, B and C working together will complete the job in = 
2. (a) If A can complete a work in x days and B is k times efficient than A, then the time taken by both A and B, working together to complete the work is
(b) If A and B, working together, can complete a work in x days and B is k times efficient than A, then the time taken by -
3. If A working alone takes ‘a’ days more and B working alone takes ‘b’ days more than A and B together, then the number of days taken by A and B, working together, to finish a job is given by √ab .
