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11. A man travels first 50 km at 25 km/h next40 km at 20 km/h and then 90 km at 15km/h. His average speed for the wholejourney in (m/s)is(b) 5(d) 36(a) 18(c) 10 |
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Answer» whejejejebwwbwkwowornrbrbrbehehehehjejwiwidisis8s |
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