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Anita performs a particular chase at the speed of speed (9/10) at regular speed, which he takes 25 minutes longer than usual time. Find the time you usually take. (In minutes)
Let usual speed = $$10$$ m/min and usual time taken = $$t$$ min
=> New speed = $$9$$ m/min and new time = $$(t+25)$$ min
Also, speed is inversely proportional to time.
$$\therefore$$ Usual time taken = 225 minutes
=> Ans - (A)
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