In a public blockchain, who can participate in the validation of transactions and creation of new blocks?
Any user who has a valid account on the blockchain network
Train P travelling at 66 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 42 km/hr in 28 seconds...
Train M, ‘x’ metres long crosses (x – 30) metres long platform in 20 seconds while train N having the length (x + 30) metres crosses the same plat...
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 9 seconds, w...
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 13 seconds. Find the approx. time taken by the train ‘A’ ...
A train travelling with a speed of 36 km/h can cross a pole in 9 seconds. Find the time taken by the train to cross a 180 metres long platform if the sp...
A train crosses a bridge in 15 secs while it crosses a man standing on a platform in 8 secs. If the speed of train 108 km/hrs, then what will be the ti...
1400 metres long train crosses a man who is moving in the same direction with a certain speed in 25 seconds. If the same train can cross a pole in 20 se...
800 metres long train crosses a man who is moving in the same direction with a certain speed, in 40 seconds. If the same train can cross a tree in 20 se...
Train P travelling at 52 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 20 km/hr in 21 seconds...
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 ...
