Mathematics textbook for class VI has 320 pages. The chapter ‘symmetry’ runs from page 261 to page 272. The ratio between the number of pages in this chapter to the total number of pages in the book is
A
12 : 320
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B
3 : 41
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C
10:320
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D
272 : 320
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Solution
The correct option is A12 : 320 Total number of pages in symmetry chapter =12 Total number of pages of the book =320 Ratio of the number of pages of this chapter to the total number of pages of the book