Question
Which satellite was recently re-entered into Earth's
atmosphere by ISRO (Indian Space Research Organisation)?Solution
The Indian Space Research Organisation (ISRO) for the first time brought down a satellite - Megha Tropiques-1, in a controlled manner after its end of life. Although the mission life of the weather satellite - a joint India-France mission launched aboard a PSLV in 2011, was only 3 years, it continued providing data on water cycle, energy exchanges in the tropics for nearly a decade.
A car travels from point A to point B at a speed 20% slower than its usual speed and arrives 30 minutes late. If the distance between A and B is 150 km,...
Truck βPβ is 180 metres ahead of truck βQβ. Truck βPβ is moving at 18 m/s and truck βQβ is moving at 72 km/h. How much time will truck οΏ½...
A train covers a distance of 120 km at the speed of 75 km/h the next 63 km distance covers with a speed of 45 km/h and last 90 km with the speed of 40 k...
In a 200-metre race, βAβ beats βBβ by 15 seconds or 60 metres. Find the time taken by βBβ to finish the race.
- How far will 'Arjun' travel by the time he catches up to 'Rohan', given that 'Arjun' starts 150 km behind and moves at 55 km/h while 'Rohan' moves at 35 km...
How many km per hour does a man walk who passes through a street 500 m long in 25 minutes?Β
Two men start together to walk a certain distance, one at 4 km/h and another at 3 km/h. The former arrives half an hour before the latter. Find the dist...
- A train covers 150 km in 100 minutes. If its speed is reduced by 30 km/h, how much time will it take to travel the same distance?
A car travels from A to B at a speed of 60 km/h, and returns from B to A at a speed of 40 km/h. What is the average speed of the car for the entire jour...
- A person walks at 5 km/h and needs to reach home in 2 hours. After walking half the distance, they rest for 20 minutes. What must be their speed for the re...