The correct answer is A
A car covered a journey in 10 hours with an average speed of 80km/hr. If it covers initial 30% of distance in 6 hours. Find the speed of car while cover...
The distance between two points 'E' and 'F' is 2,100 km. Vikram and Sameer can cover the distance between 'E' and 'F' in 42 hours and 35 hours, respecti...
A car running with a speed of ‘x’ m/sec makes 5 rounds of a circular field having radius 42 metres, in 10 seconds. Find the time taken by ca...
As observed from the top of a light house, 120 √3 m above the sea level, the angle of depression of a ship sailing towards it changes from 30°...
The speed of a car is 30% more than that of a bike. Both of them start from a same point. After travelling for 4 hours, the speed of the bike is increas...
The speed of a train is 90 km/hr and it takes 16 seconds to cross a man. Find the time taken by train to cross a platform if the ratio of the length of ...
In a 2000-metre race, 'Aarav' beats 'Dev' by '400' metres and 'Ishaan' by '600' metres. If 'Dev' and 'Ishaan' participate in an 800-metre race, and 'Ish...
Some students went on a field trip. At a speed of 6 km/h, they traveled by bike for 2 hours then at a speed of 2 km/h, they walked for another hour; the...
A train travels from station ‘P’ to station ‘Q’ at a constant speed. If its speed was increased by 20 km/h, it would have taken 1 hour less to c...
Two trains depart from the same station. The first train departs at 8:00 A.M., traveling at a speed of 60 km/h. Two hours later, at 10:00 A.M., the seco...
