7. A student walking at a speed of 5 km/hr takes 15 minutes to go to his school white
coming back, he comes by an auto-rickshaw which runs at a speed of 30 km/h
Find the time taken by the student to come from the school to his house
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Step-by-step explanation:
Let the required distance be x km. Then, x5 - x6 = 2560 12x - 10x = 25 2x = 25 x = 12.5 km
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