Changes in Volume of Swimming Pool due to dive = l ×b ×h = 25 × 15 × 4 = 1500m³ Now according to the question, 1500 = 2 × number of people Number of People = 750
‘A’ and ‘B’ started moving towards each other at same time with a speed of 25 km/hr and 15 km/hr, respectively. If the distance covered by ‘Aâ...
Buses A and B are moving around a circular ground of radius 210 m. If the speeds of the buses A and B are 16 m/sec and 20 m/sec respectively, then what ...
Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 30 m/s. Train Q starts from Dehradunto Lucknowat 1:35 pm with an average sp...
Find the distance travelled (in km) by the truck to reach point B from point A, if a car cover 25% the same distance in 2 hours and a truck covers 30%...
Buses A and B are moving around a circular ground of radius 140 m. If the speeds of the buses A and B are 15 m/sec and 20 m/sec respectively, then what ...
A car completes a journey in 6 hrs with a speed of 50 km/hr. At what speed must it travel to complete the journey in 5 hrs?
If the speed ratio of A, B and C while covering the same distance is 7 : 3 : 1 then find the ratio of time taken by them.
The speed of a train is 54 km/hr and it takes 10 seconds to cross a man. Find the time taken by train to cross a platform if the ratio of the length of ...
‘G’ and ‘H’ started moving towards each other at the same time with a speed of 40 km/hr and 30 km/hr, respectively. If the distance covered by â...
From the top of a multi-storey building, the angle of depression to the top of a smaller building (which is 20 meters tall) is 45°. The distance betwee...