Ram walks at a speed of 12 km/h. Today the day was very hot so walked at ⅚ of his average speed. He arrived his school 10 minutes late. Find the usual time he takes to cover the distance between his school and home?
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28
Answer:
50 MINUTE
Step-by-step explanation:
If Ram is walking at 5/6 of his usual speed that means he is taking 6/5 of using time. (SPEED IS INVERSELY PROPORTIONAL TO TIME)
⇒ 6/5 of usual time - usual time = 10 mins
⇒ 1/5 of usual time = 10 mins
⇒ Usual time = 50 mins
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Ans: when ram was walking then 5/6 then starting there is 5, we always starts first that's why then the answer is 50
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