Present age of ‘A’ = 30 – 9 = 21 years Present age of ‘C’ = 21 – 7 = 14 years Required ratio = 14:24 = 7:12
A man travels 450 km to his home partly by train and partly by car. He takes 8 hrs 40 minutes if he travels 240 km by train and rest by car. He takes 20...
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5th of the time, the speed to cover remaining distance in the t...
A man running with the speed of 58 km/hr covers a certain distance in ‘x’ hours. If the same distance can be travelled with a speed of 62 km/h in (x...
Buses A and B are moving around a circular ground of radius 140 m. If the speeds of the buses A and B are 15 m/sec and 20 m/sec respectively, then what ...
Aman goes from his home to his office at a speed of 30 m/s and returns at 50% more speed. If the distance between his home and office is 1,800 metres, t...
A car running with a speed of 61 km/hr takes 20 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it tak...
Two guns were fired from the same place at an interval of 20 minutes but a person in a train approaching the place hears the sound 16 minutes 30 seconds...
Samantha travels to her college at 6 km/h and returns at 4 km/h. If her total travel time is 7 hours and 30 minutes, what is the distance between her ho...
Two cyclists start from the same point and travel in opposite directions. Cyclist A rides at 20 km/h, and Cyclist B rides at 15 km/h. After 2 hours, how...
The speed of ‘A’ and ‘B’ is 75 km/hr and 30 km/hr, respectively. If the distance covered by ‘A’ in ‘x&r...
