Working 5 hours a day, Shivam can read a book in 24 days. How many hours a day should he work so as to finish the same work in 8 days?
Using, $$D_1\times H_1$$Â $$=D_2\times H_2$$, where $$D$$ is the number of days and $$H$$ is the number of hours.
Let number of hours required = $$h$$
According to ques, => $$24\times5=8\times h$$
=> $$h=\frac{120}{8}=15$$ hours
=> Ans - (C)
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