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A car covers distance of 2 km in 2.5 min.if it covers half of the distance with speed 40km/hr the rest distance t shall cover with a speed of?
time taken by car to cover half distance with velocity 40km/hrt = 1/40 = 1/20 hrremaing time = 2.5/60 – 1/20 = 1/24 – 1/40 = 1/60 hrvelocity required to cover 1 km in 1/60 hrv = 1/(1/60) = 60km/hrHope it clears.
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