a man goes from his house to his friends house 0f 40 km per hour and took 3 hrs to reach their house . he returned back at a speed of 50 km per hour and took 30 minutes to reach his house . find the distance between his house and his friends house .
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Case I
Distance =speed ×time
= 40×3
=120km
Distance =speed ×time
= 40×3
=120km
Anonymous:
wlcm
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