Model 3 Man leaves & joins Practice Questions Answers Test with Solutions & More Shortcuts

Question : 6 [SSC CGL Prelim 2003]

A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in :

a) 6 days

b) 10 days

c) 10$1/2$ days

d) 5 days

Question : 7 [SSC CGL Prelim 2007]

A and B can complete a piece of work in 12 and 18 days respectively. A begins to do the work and they work alternatively one at a time for one day each. The whole work will be completed in

a) 15$2/3$ days

b) 16$1/3$ days

c) 18$2/3$ days

d) 14$1/3$ days

Question : 8 [SSC DEO & LDC 2013]

A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job ?

a) 60 days

b) 48 days

c) 54 days

d) 50 days

Question : 9 [SSC MTS 2013]

A, B and C can complete a work in 10, 12 and 15 days respectively. They started the work together. But A left the work before 5 days of its completion. B also left the work 2 days after A left. In how many days was the work completed?

a) 5 days

b) 7 days

c) 8 days

d) 4 days

Question : 10 [SSC CPO S.I.2004]

A and B can do a work in 45 days and 40 days respectively. They began the work together but A left after some time and B completed the remaining work in 23 days. After how many days of the start of the work did A leave ?

a) 9 days

b) 8 days

c) 5 days

d) 10 days