Time and distance, time and work
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- In the exam pattern: Computer Based Test (CBT), Arithmetic: 35 questions, 35 marks (RRB notice, 15 Apr 2024).
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Take a full mock →Q1 · Time and distance, time and work · MEDIUM
A train 280 m long passes a pole in 20 seconds. The same train crosses a platform in 35 seconds. What is the length of the platform?
Q2 · Time and distance, time and work · MEDIUM
Two trains 150 m and 200 m long are running on parallel tracks in the same direction at 72 km/h and 54 km/h. How long will the faster train take to completely pass the slower train?
Q3 · Time and distance, time and work · MEDIUM
A man can row at 6 km/h in still water. When the river flows at 2 km/h, he takes 3 hours to row to a place and come back. How far is the place?
Q4 · Time and distance, time and work · HARD
A and B together can finish a piece of work in 12 days, B and C together in 15 days, and C and A together in 20 days. In how many days can A alone finish the work?
Q5 · Time and distance, time and work · MEDIUM
Pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. Both pipes are opened together, but A is closed after 6 minutes. How many more minutes will B take to fill the tank?