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If Rahul walks at a speed of 5m/min he is 6 minutes late for his office. But if he walks at a speed of 7 m/min he reaches 30 mins earlier. How far is his office from his house.

If Rahul walks at a speed of 5m/min he is 6 minutes late for his office. But if he walks at a speed of 7 m/min he reaches 30 mins earlier. How far is his office from his house. Correct Answer 630 m

Let the distance between his office and house = x

Let actual time taken be t

Now

according to question

x/5 = t + 6 ...(i)

x/7 = t – 30…(ii)

On solving equation (i) and (2)

x = 630m.

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