A car completes a journey in 18 hours. If half of the distance was covered at 40 km/hour and remaining half at 60 km/hour, then the total distance covered was
A) 432 km
B)450 km
C)864 km
D)900 km
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c 864 bcuz avg velocity is 48kmh .so dis =48*18=864
Anonymous:
hy
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