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A TV tower 36 metres high casts a sha...

A TV tower 36 metres high casts a shadow of 24 metres at a particular time of a day. What is the height of a minar with a three metre high flagstaff atop it, it both of these together cast a shadow of 50 metres at the same time of the day? `64\ m` b. `72\ m` c. `7\ m` d. none of these

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