By walking at 3/2 of his usual speed, Kamal reaches the market 25 minutes earlier than usual. What is his usual time?
Correct answer B. 75 minutes
Explanation
At 3/2 speed the time becomes 2/3 of usual, saving 1/3 of usual time. So 1/3 of usual = 25 minutes and usual time = 75 minutes.
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