SSC CPO SI and ASI Model Paper 5

(3) After 12 noon, relative distancebetween hour hand and minutehand will be 360°. Relative speedof the minute and hour hand is$\frac{11}{2}$deg/min. Time that the minutehand will take to catch the hourhand for the first time,
$\frac{\frac{360°}{11}}{2}=\frac{720}{11}\mathit{m}\mathit{i}\mathit{n}$