John Vincent Atanasoff was an American physicist and inventor, best known for being credited with inventing the first electronic digital computer. Atanasoff invented the first electronic digital computer in the 1930s at Iowa State College. Â
If a car runs at 30 km/hr, it reaches its destination late by 15 minutes but if runs at 45 km/hr it is late by 7 minutes. What is the correct time for t...
If a person walks 25% more than of his usual speed, reaches his distance 90 minutes before. If the destination is 495 km away, then the usual speed of a...
A train covers a certain distance at a speed of 20 km/h and the next same distance with a speed of 35 km/h and the next same distance with a speed of 60...
Anju's journey comprises three segments. He travels the first 'd - 30' km at a speed of 12 km/h, the next 'd' km at a speed of 30 km/h, and finally, she...
Sheetal rides a bike at an average speed of 40 kmph and reaches her destination in 5 hours. Hemlata covers the same distance in 4 hrs. If Sheetal increa...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 27 km/hr and 15 km/hr, respectively. If the distance covered by ‘Aâ...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 24 km/hr and 10 km/hr, respectively. If the di...
The speed of a car is 25% more than that of a bike. Both of them start from a same point. After travelling for 6 hours, the speed of the bike is increas...
Two trains X and Y whose length are in ratio of 5:8 and time taken to cross a man standing on a platform is 5:2. If the speed of the train X is 24 km/h ...
Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 25 m/s. Train Q starts from Dehradunto Lucknowat 1:35 pm with an average sp...