Arithmetic Aptitudes › Area › Question #5335
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QHow many square tiles are needed to pave the floor of a room 30 m 34 cm long and 18 m 4 cm wide?

ID: #5335 Area 162 views
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#5335Q ID
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AreaTopic
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  • A 814 ✔ ✖
  • B 816 ✔ ✖
  • C 700 ✔ ✖
  • D 724 ✔ ✖
Correct Answer: Option A

Explanation


Length of largest tile = H.C.F. of 3034 cm and 1804 cm = 82 cm.
Area of each tile = (82 x 82) cm^2.
Required number of tiles  3034x1804/82x82  = 37x22=814.
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