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Two circular roads R1 and R2 of radii 200 m and 40 m,
respectively touch at a point O. Starting from O at the same
time, Car 1 and Car 2 are moving on road R1 and road R2 at
speeds 60 km/hr and 20 km/hr respectively. The number of
full rounds that Car 2 will make before it meets Car 1 again
for the first time is
I


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Quantitative Aptitude

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Quantitative Aptitude

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