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प्रश्न
If a person reads 20 pages of a book in 2 hours, how many pages will he read in 8 hours at the same speed?
उत्तर
In 2 hours, pages read = 20
In 1 hour, pages read = `20/2` = 10
In 8 hours, pages read = 10 × 8
= 80 pages
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