A, B and C are on a trip. A drives at 50 km/hr for 1 hr. B drives the next 2 hr. at 48 km/hr. C drives the next 3 hr. at 52 km/hr. They reach their destination exactly after 6hr. Their mean speed is -
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Step-by-step explanation: good question !!! i will answer after 1 week
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Answer:
25Km/hr
Step-by-step explanation:
mean speed= 50+48+52/6
=150/6=25
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