Over withdrawal of groundwater in coasts and islands does not cause faecal matter in groundwater
Rohan and Tanuj move towards Dehradun starting from Delhi at a speed of 30 km/h and 50 km/h respectively. If Tanuj reaches Dehradun 300 minutes earlier ...
In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay's s...
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°...
If Lalitha leaves home and drives to her school at a speed of 45kmph, she reaches 5 minutes later than when she drives at 60kmph speed. Find the distanc...
A car can finish a certain journey in 10 hours at a speed of 42 kmph. In order to cover the same distance in 7 hours, the speed of the car (km/h) must b...
Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 25.5 m/s. Train Q starts from Dehradunto Lucknowat 1:35 pm with an average ...
'Arjuna' and 'Bishnu' began running in opposite directions on a circular track of 1200 metres at the same time. If 'Arjuna', who ...
Ajay and Bharti are initially 493 km apart. They start jogging towards each other with speeds of 36 km/h and 64 km/h, respectively, at the same time. If...