UP Police official box from his home at 4 km per hour and reaches his office 5 minutes late if his speed is 5 kilometre per hour he will reach his office 10 minut earlier how far is his office from the house
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Answer:
distance = S1×S2× difference in time
--------------------------------------
| s2-s1 | × 60
= 5×4 ×5
------------. = 5/3 km (ans)
1× 60
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