Arithmetic Aptitudes › Chain Rule › Question #5612
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QA TV tower 36 m high cast a shadow of 24 m at a particular time of a day what is the height of a minar with the three metre atop it,if both of these together shadow of 50 m at the same time of the day

ID: #5612 Chain Rule 312 views
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#5612Q ID
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  • A 64 ✔ ✖
  • B 72 ✔ ✖
  • C 75 ✔ ✖
  • D None of these ✔ ✖
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let the height of the minar with flagstaff be x metre.More length shadow,more is the height (direct proportional)

24:50::36:x

24x=50×36

x=50×36/24 =75

hence height of the minar=(75-3) =72m

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