Test6(2) Time,speed and Distance(Trains n Boat Qs)

Sol(1-3)   Sol(4-10)  

Q1. A man rows 6km/hr in still water. If river is running at 3km/hr, it takes him 45 min to  row to a place and back. How far is the place.

a. 1.12km  b.1.25km  c.1.6875km  d.2.5km

Q2. A horse is passed by a train in 8 sec. Find length of train, if its speed is 36km/hr.

a.70km/hr  b.80km/hr  c.85km/hr  d.90km/hr

Q3. A train traveling at 48km/hr  completely crosses a train half its length in opposite direction at 42km/hr in 12sec. It also passes a platform in 45 sec. The length of platform is 

a.560m  b.400m  c.600m  d.450m

Q4. A man sees a train passing a bridge 1km in length. Length of train is half that of bridge. Train clears bridge in 2min. Speed of train is   

a.30km/hr  b.45km/hr  c.50km/hr  d.60km/hr.  E.NOT

Q5.The speed of train is 72km/hr. It takes 18sec to completely pass a man standing near the tracks . If train maintains same speed, it takes 30sec to cross a platform. Find length of platform.  

a.235m  b.240m  c.245m  d.250m

Q6. A train has 24 carriages each of 60m length . Length of engine also is 60m. Train is traveling at 60km/hr. Find the time it will take to cross a bridge 1.5km long. 

a.2min  b.3min  c.6min  d.NOT

Q7. A train running  at 48km/hr take 1min to pass a telegraph pole. Find train length.   

a.0.1km  b.0,2km  c.0.8km  d.0.9km 

Q8. The difference between time taken by 2 buses to travel a distance of 350 km is 2hr20min. If difference between there speed is 5km/hr. Find speed of slower train.  

a.35km/hr  b.25km/hr  c.20km/hr  d.15km/hr

Q9. An ant  climbing a pole ascends 12m and slip down 5m every alternate hr. If pole is 63 m high . If pole is 63 m long high , how long will it take to reach the top.    

a.18hr  b.17hr  c.16hr35min  d.16hr40min

Q10. Two persons walking   Left Dehradun to Doiwala simultaneously. The first stopped 42 min later when he was 1km short of Doiwala, and another  stopped 52 min later when he was 2km short of Doiwala. If first walks as many km as second and second as many km as first,first one would need 17min less than 2^nd one. Find distance between Dehradun and Doiwala.  

a. 5km  b.15km  c.25km  d.35km