Vinay reads 2/11 th part of 9/11 part of a book in day then how many days to complete the whole book?
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Step-by-step explanation:
2/11th part of 9/11part of book
2/11 × 9/11 = 18/121
in one day vinay reads 18/121 part of book
so,he takes 121/8 days to finish the book
= 15 1/8 days
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