Rajesh drove at the speed 100 km/hr from his home to a resort. While returning he got struck in traffic and took 6 more hrs; he could drive only at the speed of 40 km/hr. How many kilometer did he drive each way?

Let the distance be x km. Then, x/40 × x/100 = 6 5x – 2x = 6 × 200 3x = 1200 x = 400 km

- A car travels a distance of 150 km at the speed of 30 kmph. If it covers the ne×t 180 km of its journey at the speed of 60 kmph and last 80 km of its journey at the speed of40 kmph. What is the average speed of the car?
- ‘A’ and ‘B’ started moving towards each other at same time with a speed of 15 km/hr and 10 km/hr, respectively. If the distance covered by ‘A’ is 22 km more than that by ‘B’, when they meet then find the initial distance between them.
- A train covers a distance of 84 km at the speed of 42 km/h the next 45 km distance covers with a speed of 30 km/h and last 60 km with the speed of 40 km/h find the average speed of the train?
- Two person A and B from same distance with speed time and same direction with speed of 48km/hr and 40km/hr .The speed of person B increased by ½ km every hr. after what time A and B will meet .
- A car completes a journey in 6 hrs with a speed of 50 km/hr. At what speed must it travel to complete the journey in 5 hrs?
- The average speed of a bus is half the speed of a train. The train covers 5200 km in 13 hours. How much distance will the bus cover in 36 minutes?
- A driver of truck sees an ambulance 160 meters ahead of him. After 20 seconds the ambulance is 140 meters behind. If the speed of the truck is 80 kmp/h, then what is the speed of the ambulance?
- What is the length of the bridge which a man riding 21 km an hour can cross in 3 min.?
- A boy goes to school at 6 km/Hr and return at a speed of 5 km/hr. If he takes 11 hrs in all. Find the distance from his village to school?
- Gaurav covered 225 km distance in 9 hours. The first part of his journey he covered by car, then he hired a rickshaw. The speed of car and rickshaw is 30 km/hr and 18 km/hr respectively. The ratio of distances covered by car and rickshaw respectively:

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