Parth left home for the bus stop 15mins earlier than usual. It takes 10mins to reach the bus stop. He reached the stop at 8.40am. What time does he usually leave home for the bus stop?
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Solution
Clearly,parth left home 10 minutes before 8:40am..,ie at 8:30am.but it actually 15 minutes earlier than usual.so he usually leave home at 8:45am.