Shyam can complete a task in 12 days by working 10 hours a day. How many hours a day should he work to complete the task in 8 days?
Given, Shyam can complete the task in 12 days working 10 hours a day
$$=$$> Total time required for Shyam to complete the task = 12 x 10 = 120 hours
$$\therefore\ $$ Number of hours Shyam should work in a day to complete task in 8 days = $$\frac{120}{8}$$ = 15 hours
Hence, the correct answer is Option B
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