Question
A tank 60m long, 45m broad and 18m deep is dug in a
ground 2000 m long and 45m wide. By how much will the level of the field rise if earth dug out of the tank is evenly spread over the ground?Solution
A train completes a journey in 8hrs with a speed of 80 km/hr. At what speed must it travel to complete the journey in 4 hrs?
The speed of a car is 25% more than that of a bike. Both of them start from a same point. After travelling for 6 hours, the speed of the bike is increas...
An Aeroplane flies along a Square field @ 75, 100, 150 and 200 km/hours respectively. Then find the Average speed of the Aeroplane during the whole jour...
A train travels a certain route in 250 minutes at a speed of 48 km/h. If the same journey is done by bus in 5 hours, what should be the speed of the bus?
X started to run from point ‘A’ to ‘B’ at a speed of 35 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 11 km/...
A bus covers a certain distance without stopping at an average speed of 50 km/h. But when it covers the distance intermittently. So its average speed is...
If I can walk a certain distance in 25 days when I rest 8 hours a day, how long will it take me to walk twice as far as if I walk twice as fast and res...
Buses A and B are moving around a circular ground of radius 420 m. If the speeds of the buses A and B are 12 m/sec and 15 m/sec respectively, then what ...
- Sneha travels a route in 9 hours at a constant speed of 14 km/h. If she wants to reduce the time to 6 hours, what should be her new speed?
A man travels some distance at a speed of 16 km/hr and returns at a speed of 8 km/hr. If the total time taken by him is 3 hrs 45 min, the distance is
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