The human birth rate is generally stated as the number of individuals born per year per 1000 people in the population. This metric helps in assessing population growth and demographic changes.
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5 th of the time, the speed to cover remaining distance in the ...
‘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 350 m. If the speeds of the buses A and B are 11 m/sec and 20 m/sec respectively, then what ...
In a race spanning 900 meters, Runner A surpasses Runner B by 180 meters and Runner C by 270 meters. If B and C compete in a 320-meter dash, with C star...
Emily walks to the library at 4 km/h and returns at 2 km/h. The total time spent traveling is 9 hours. What is the distance from her home to the library?
A vehicle travels at a speed of 'u' km/hr. After 2.5 hours, it increases its speed to (u + 12) and travels for another 1.5 hours. If the ratio of the di...
X started to run from point ‘A’ to ‘B’ at a speed of 22 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 23 km/...
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...
Amit covered 360 kilometers in total trip time. He covered the remaining 200 km on a bicycle at a speed that was 5 km/h slower than that of the bus afte...
Ratio of speeds of ‘A’ and ‘B’ is 6:7, respectively. If they participate in a 140-metre race and ‘B’ gives ‘A’, a head start of ‘m’ ...
