A car covers its journey at the speed of 80 km/hour in 10 hours. If the same distance is to be covered in 4 hours, by how much the speed of car will have to increase ?
A man starts going for morning walk every day. The distance walked by him on the first day was 2 kms. Everyday he walks half of the distance walked on the previous day. What can be the maximum total distance walked by him in his life time ?
Find the speed of train in km/hr whose length is 200 m and crosses a platform of length 240 m in 22 seconds ?
Two cars starts at the same time from A and B which is 120 km apart. If the two cars tarvel in opposite direction they meet after one hour and if they travel in same direction (from A towards B) then A meet B after 6 hours. What is the speed of car starting from A ?
A 260 metre long train crosses a 120 meter long wall in 19 seconds. What is the speed of the train ?
A 320 metre long train crosses a pole in 16 seconds. It stops five times of duration 18 minutes each. What time will it take in covering a distance of 576 km ?
A person travels from P to Q at a speed of 40 kmph and returns to Q by increasing his speed by 50%. What is his average speed for both the trips ?
