Time, Speed and...

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:

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.

A boy goes to school with a speed of 3 km/hr and returns to the village with a speed of 2 km/hr. If he takes 5 hours in all, the distance between the village and the school is

Two cyclists A and B start from the same place at the same time, one going towards north at 18 km/hr and other going towards south at 20 km/hr. What time will they take to be 95 km apart?

Sharad covers two-third of a certain distance at 4 km/hr and the remaining at 5 km/hr. If he takes 42 minutes in all the distance is

A man performs 2/15 of the total journey by rail, 9/20 by tonga and the remaining 10 km on foot. His total journey is

Raja covers a certain distance in 14 hrs 40 min. He covers one half of the distance by the train at 60 km/hr and the rest half by road at 50 km/hr. The distance traveled by him is

Suresh travelled 1200 km by air which formed (2/5) of his trip. One third of the whole trip, he travelled by car and the rest of the journey he performed by train. The distance travelled by trains was

If a boy takes as much time in running 10 m as a car takes in covering 25 m, the distance covered by the boy during the time the car covers 1 km is

A certain distance is covered at a certain speed. If half of this distance is covered in double the time, the ratio of the two speeds is