17. A thief walks at a speed of 4 km/hr and can run at a speed of 5 m/sec. He walked for some time
before he saw a policeman and ran way. If he covered a total distance of 2.5 km in 20 minutes, find
out how much distance had he walked and in how much time before he saw the policeman.
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Step-by-step explanation:
the answer is 4.2 h..... and this is perfect answer
hint use time time =dist / speed+ Dist 2 / speed 2 ..... T = 14 /5+14/10=4.2,H
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