A train can cross another train of equal length coming form the opposite direction with the speed of 108 km/h in 3 minutes . The speed of the other train is 90 km/h. Find the length of the train .

A can complete a piece of work in 12 days, A, B and C can complete the work in 6 days. Efficiency of B is 0.5...

A shopkeeper sold and item at 20% profit and another item at 10% loss. If the cost price of both the items is...

8 males and 6 females can do a piece of work in 5 days, 5 males and 6 females can complete the same work in 7...

A is 30% more efficient than E How much time will they , working together , take to complete a job which A alo...

The area of lawn is 460 . If the length is 15 percent more than the breadth of the rectangular field What is t...

A boat can travel form point A to point B and return back to point a in 9 hours. Speed of the boat in still wa...