MCQ Subject: Time, Work, and Distance

A vehicle covers the first 60 km at 40 km/h and the next 60 km at 60 km/h. What is the average speed for the entire 120 km journey?

Amit can paint a house in 12 hours, while Bhavna can do the same job in 8 hours. If they work together for 2 hours and then Amit leaves, how many more hours will Bhavna need to complete the job?

A can complete a job in 8 hours, and B can complete the same job in 12 hours. How many such jobs can A and B together complete in 24 hours?

A can complete a job in 12 days, B in 18 days. They work together for 4 days, then A leaves. How many more days does B need to complete the job?

Amit paints a house in 12 hours and Bhavik in 18 hours. How many days will they take to paint the house together?

A worker completes 1/5th of a task in 2 days. How many days would the worker take to complete the entire task?

Two cyclists start simultaneously from points A and B, 120 km apart, towards each other. Cyclist X’s speed is 20 km/h and Cyclist Y’s speed is 30 km/h. How long will it take for them to meet?

Two workers, A and B, start walking 10 km apart towards each other at 3 km/h and 7 km/h. After meeting, they work together to complete a task A finishes in 3 hours alone and B in 6 hours. How many hours after starting does the task complete?

A car travels from Town A to Town B at an average speed of 60 km/h and returns at 40 km/h. What is the average speed for the entire round trip?

A project requiring 150 worker-days is started by 10 workers. After 5 days, 10 more workers join. How many more days are needed to complete the project?