A and B starts a race in a circular track of 1800m length at a speed of 40m/m and 50m/m respectively. After one round B reverse its direction. So how many minutes will they take to meet?
A and B starts a race in a circular track of 1800m length at a speed of 40m/m and 50m/m respectively. After one round B reverse its direction. So how many minutes will they take to meet?
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Yaaa its 4....
40 is also right ans...coz many people takes it as " time after first round" but question is meant by their first meeting so we should consider overall time