QUESTIONS ON TIME AND WORK FOR PRACTICE
Q2.A and B can do a piece of work in 4 days working
together.A alone do the same work in 12 days.Find the time taken by B to
complete the same work? Ans-6 days
Q3.A and B do paints a house in 18 days,B and C paint the
same house in 24 days,A and C paints it in 36 days.Find the time taken by A,B,C
when they alone paints the house.Also find the time taken when they start
painting house together? Ans-(A-48
days,B-144/5 days,C-144,(A+B+C)-16 days
Q4.A is twice as good workman as B and together they
finish the work in 18 days.Find the time taken by A to complete the work? Ans-27
days
Q4.Ramesh builds a motor bike in 80 days.He starts
building the motor bike and leaves it after 10 days.Rohan works on the same
bike and completes building it in 42 days.Find the time in which Rohan alone
can build that motor bike? Ans-30
days
Q5.A and B undertake to do a piece of work for Rs 600.A
alone can do it in 6 days and B can do it in 8 days.With the help of C they do
the work in 3 days.Find their Share? Ans-(A-300,B-225,C-75)
Q6.A is 30%more efficient than B.What will be the time
taken to complete that job which A alone can do it in 23 days? Ans -13 days
Q7.10 women can complete the work in 7 days whereas 10
children can complete the work in 14 days.Find the time taken by 5 women and 10
children to do the job? Ans-7
days
Q8.A alone can do a work in 16 days and B can do it in 12
days.Starting with A ,they work on alternate days.Find the total time taken to
complete the work? Ans-55/4 days
Q9.If 6 men and 8 boys can do a piece of work in 10 days
while 26 men and 48 boys can do the same work in 2 days. In how many days 15
men and 20 boys can do the same work? Ans-4 days
Q10.A can do a piece of work in 40 days.A works for 8 days
and B do it in 16 days.How long will they take to finish the work working
together? Ans-40/3 days
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