MCQ Subject: Time, Work & Distance

Rahul can paint a house in 20 hours, while his less efficient friend, Rohan, takes 30 hours for the same job. If they work together, how many hours will they take to complete the job?

If A can complete a work in 12 days and B can complete the same work in 15 days, how many days will they take to complete the work together?

If 12 workers can finish a project in 20 days, how many days would 8 workers take to finish the same project, assuming the work rate per worker remains constant?

Two workers, A and B, can complete a job in 12 and 15 days respectively. If they work together for 3 days, what fraction of the job is completed?

A man completes 1/4 of a work in 5 days. How many days will he take to complete the whole work?

If a person can complete a task in 12 days, how many days would it take for the same person to complete half the work at double the rate?

Amit completes a task in 4 hours, while Bhaskar takes 8 hours for the same task. How much of the work can Bhaskar complete in the time Amit finishes the task once?

If 15 workers can build 12 houses in 24 days, how many days would it take for 20 workers to build 10 houses at the same rate?

Ram can cycle 25 km in 2 hours, while Shyam can cycle the same distance in 3 hours. How much faster is Ram than Shyam per hour?

Rahul can paint a house in 10 hours, while Sachin takes 15 hours for the same job. How many hours will it take for both of them working together to paint the house?