## More Questions on This Topic :

Question 1. A train running at a speed of 54 km/hr crosses a platform in 30 seconds. The platform is renovated and its length is doubled. Now, the same train running at same speed crosses the platform in 46 seconds. Find the length of the train.
1.    180 metres
2.    200 metres
3.    210 metres
4.    240 metres
5.    450 meters

Question 2. In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is:
1.    1 hour
2.    2 hours
3.    3 hours
4.    4 hours

Question 3. A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.
1.    220 km
2.    224 km
3.    230 km
4.    234 km

Question 4. A person can row a boat d km upstream and the same distance downstream in 5 hours 15 minutes. Also, he can row the boat 2d km upstream in 7 hours. How long will it take to row the same distance 2d km downstream?
1.    $$\frac{{3}}{{2}}$$ hours
2.    7 hours
3.    $$\frac{{29}}{{4}}$$ hours
4.    $$\frac{{7}}{{2}}$$ hours

Question 5. The area of square park is 25 sq. Km. Time taken to complete a round of the field once, at a speed of 3 kmph is:
1.    4 hours 60 minutes
2.    4 hours 50 minutes
3.    6 hours 40 minutes
4.    5 hours 40 minutes