Let present age of A be x years. => 120% of (x - 5) = 40% of (x + 5) => 3(x - 5) = (x + 5) => 3x – 15 = x + 5 => x = 10 years
X started to run from point ‘A’ to ‘B’ at a speed of 21 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 18 km/...
If a person walks 25% more than of his usual speed, reaches his distance 90 minutes before. If the destination is 420 km away, then the usual speed of a...
500 metres long train crosses a man who is moving in the same direction with a certain speed, in 50 seconds. If the same train can cross a tree in 20 se...
Rajesh whose speed is < 4 m/s travels along a rectangular path. The diagonal length of the park is 5x(13) (1/2) He reaches from one point of ...
The distance between two stations A and B is 900 km. A train starts from A and moves towards B at an average speed of 30 km/hr. Another train starts fr...
A vehicle travels at a speed of 'u' km/hr. After 2.5 hours, it increases its speed to (u + 12) and travels for another 1.5 hours. If the ratio of the di...
Speed of the stream is 15 km/h and speed of boat in still water is 24 km/h. A boat takes a total of 38 hours for travelling downstream from Point M to P...
A train travels from City A to City B at a speed of 60 km/h and then from City B to City C at a speed of 80 km/h. The distance between City A and City B...
Average speed of ‘A’ during a 24-hour journey is 36 km/h. If he covered the first 150 km of his journey at a speed of 15 km/h, then find the speed a...
Two trains for Mumbai leave Delhi at 6 a.m. and 6:30 a.m. and travel at 100 km/h and 136 km/h respectively. Approx. how many km from Delhi will the two ...
