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Two trains P and Q are moving in opposite direction at a rate of 36 km/hr and 45 km/hr respectively. A passenger is sitting in train P, finds that his train passes train Q in 8 seconds. What is the length of train Q?

Correct Answer: 180 m
চোখের পর্দা - লজ্জা চোখের মণি - অত্যন্ত প্রিয় বস্তু চোখের বালি - চক্ষুশূল, শত্রু

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