How many students have obtained 70 or more marks in at least one of the five subjects?
The correct answer is D
When a train Q vacated station A at 4 am and reached station B at 7 am. Another train P Vacated station B at 6 am and reached station A at 8:30 am. At a...
Train M, ‘x’ metres long crosses (x – 35) metres long platform in 28 seconds while train N having the length (x + 35) metres crosses the same plat...
Two trains of equal lengths take 20 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 300 metres, in what ti...
1440 metres long train crosses a man who is moving in the same direction with a certain speed in 32 seconds. If the same train can cross a pole in 24 se...
1200 metres long train crosses a man who is moving in the same direction with a certain speed in 25 seconds. If the same train can cross a pole in 20 se...
Two trains approach each other at 20 kmph and 25 kmph from 2 places 225 km apart. After how many hours they will meet?
A train 450 m long running at 72 km/hr takes 45 seconds to cross a bridge The length of the bridge is
Two cars start from a place with a speed of 60 km/hr at an interval of 15 minutes. What is the speed of a man coming from the opposite direction towards...
Two trains 200 metres and 100 metres in length are running towards each other on parallel tracks, one at the rate 50 km/hr and another at 40 km/hr. In h...
Train P measures 120 meters in length and moves at a speed of 5 meters per second, while Train Q is 90 meters long and travels at a speed of 10 meters p...
