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The United Nations General Assembly adopted a resolution in December 1992 declaring March 22 as World Water Day.
A motor-cycle covers 100 km with a speed of 40 km/hr. find the speed of the motor-cycle for the next 100 km journey so that the average speed of the who...
A and B are travelling towards each other with a speed of 15 km/hr and 30 km/hr. If they started at same time and A covered 25 km less distance than B b...
What is the length of the bridge which a man riding 21 km an hour can cross in 3 min.?
The speed of ‘A’ and ‘B’ is 60 km/hr and 30 km/hr, respectively. If the distance covered by ‘A’ in ‘x’ hours is 120 km more than that by...
Three persons named P, Q, R started their journey at 9.30 AM, 11.30 AM, 2 PM respectively from A to B. The speed of Q is √625 m/sec. Q reached the des...
If 6 women can complete a work in 3 days, and 9 girls can complete the same work in 2 days, then find the time taken to complete the same work by 8 wome...
A man travels some distance at a speed of 20 km/hr and returns at a speed of 15 km/hr. If the total time taken by him is 3 hrs 30 min, the distance is
Speed of a car and a bus is 25 km/h and 15 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
Speed of a car and a bus is 20 km/h and 12 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
The speed of a bike increases by 6 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 30 km, the find the total distance tra...