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China sent a satellite into orbit as part of the UN 2030 Agenda for Sustainable Development. A Long March 6 rocket, one of China's new-generation launch vehicles, lifted off from Taiyuan Satellite Launch Center in north China. The mission’s satellite SDGSAT-1, is designed to orbit at an altitude of around 314 miles (505 kilometers) and use thermal infrared, low light level and multispectral cameras to collect data to help evaluate the Sustainable Development Goals indicators. The data will be used to assess the impacts and changes through the interaction between human urban, residential and coastal activities and nature.
A train 275 metre long takes 30 sec to cross a man running at a speed of 3 km/hr in the direction opposite to that of train. What is the speed of the tr...
The ratio of the length of two trains P and Q is 5:6 and the ratio of the time taken by both trains to cross a man standing on a platform is 2:3. If the...
A 160 m long train crosses another 290 m long train running in the opposite direction in 10 seconds. If the shorter train crosses a pole in 8 seconds, w...
Two trains P and Q of lengths 250 m and 400 m, respectively, are running in the same direction on parallel tracks at 90 km/h and 120 km/h, respectively....
Gatiman express train crosses a platform in 23 seconds while it can cross a pole in 10 seconds. If the speed of the Gatiman express is 25 m/s, then find...
There are two trains A and B. A start from point X at 5 AM towards point Y. Another train B starts at 7 AM from point Y. If they meet at 9 AM and speed ...
A train can cross a pole in 18 seconds. While if the train increased its speed by 75% then time taken by it to cross 444 metres long platform is 42 seco...
Two trains ‘K’ and ‘L’ of equal lengths are running on parallel tracks at speeds of 45 m/s and 55 m/s, respectively. If they can cross each othe...
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 6 seconds. Find the approx. time taken by the train ‘A’ to cross a train ...
Train ‘A’ running with a speed of 126 km/hr can cross a standing goods train of 4 times its length in 25 seconds. Find the time taken by 500 metres ...
