Arithmetic Ability
Area

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Q.

If a 36 cm thread is used to wrap a book, lengthwise twice and breadth wise once, what is the size of the book ?

View Answer

Correct choice: A

Explanation:

Length of the thread is 36 cms. length wise twice breath wise once then totally thrice. so 36/3 = 12. so length is 12 x 2 = 24 cms breath is 12 cms Area of the book = length x breath = 24 x 12 = 288 sq.cm
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