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1. A man wearing a hat of extende length 12 cm is running in rain falling vertically downwards with speed 10m/s.The maximum speed with which man can run,so that rain drops do not fall on his face (the length of his face below the extended part of the hat is 16 cm) will be?

2. A taxi leaves the station X for station Y every 10 min. Simultaneously ,a taxi also leaves the station Y for station X every 10 min. The taxis move at the same constant speed and go frm X to Y or vice versa in 2 hrs . How many taxis comin from the other will meet each taxi moving from X to Y/

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