Chances are, if you've done even the slightest bit of traveling, you've crossed your fair share of bridges. These feats of engineering can span anything from a trickling stream to a raging river. Can you cross the bridge quiz without falling? 
Source: http://feeds.howstuffworks.com/~r/DailyStuff/~3/9xyfwfi8nWw/bridge-quiz.htm
MCQs on Everyday Science for NTS and PPSC
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