Subject
Quantitative Aptitude
Topic
Areas & Volumes
If a 36 cm thread is used to wrap a book, lengthwise twice and breadth wise once, what is the size of the book ?
If a 36 cm thread is used to wrap a book, lengthwise twice and breadth wise once, what is the size of the book ?
ক)
288 sq.cmখ)
188 sq.cmগ)
144 sq.cmঘ)
244 sq.cmExplanation
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.cmRelated questions
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