Challenge Prelims V1.0 – Day 47 – CSAT Paper

1. A man started from his home at 14:30 hours and drove to village, arriving there when the village clock indicated 15:15 hours. After staying for 25minutes, he drove back by a different route of length 1.25 times the first route at a rate twice as fast reaching home at 16:00 hours. As compared to the clock at home, the village clock is (UPSC 2022)

2. Two Train stations A and B are 285 Km apart. A Vande Bharat train started from Station A towards Station B at 6:00 AM. It travelled with a uniform speed of 80 km/h for the first 100 km and then at a uniform speed of 100 km/h for the rest of the journey. An express train started from Station B towards Station A at 7:00 AM with a uniform speed of 40 km/h throughout the journey. Find the time at which Vande Bharat train meets the express train.

3. If a car moves at a speed of 60Km/h for time 1 hour and then at a speed of 75Km/h for another time 2 hour, what is the average speed of the car?

4. The speed of boat in still water is 15 Km/h. Speed of the stream is 5km/h. Find the distance travelled downstream by the boat in 18 minutes

5. A train 120m long moving at a speed of 50Km/h crosses another train of 130m long coming from the opposite direction in 9 seconds. Find the speed of the second train.