Time and Work Quiz 01

1. A can do 1/3 of the work in 10 days then the total work can be done in how many days?





  1. B can do ¾ of the work in 12 days then half of the work can be done in how many days





  1. A can do 2/3 of work in 10 days then 4/5 of the work can be done in how many days?





  1. A can do a work in 20 days then 2/5 of work can be done in how many days?





  1. A can do 2/3 of the work in 10 days and B can do ¼ of work in 2 days then A and B together can do ½ of the work in how many days?





  1. A can do a work in 30 days B can do it in 20 days, then they together can do ¼ of the work in how many days?





  1. A can do a work in 20 days B can do ½ of work in ¾ of the time. Then they together can do work in how many days?





  1. B can do a job in 15 days; A can do ¾ of the job in 2/5 of the time. Then they together can do ½ of the job in how many days?





  1. A can do 2/3 of the job in 12 days. B is 20% more efficient than A then B ca do it in how many days?





  1. B can do a job in 20 days A is 20% less efficient than B then they together can do it in how many days?







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