Two spur gears \(A\) and \(B\) of an epicyclic gear train shown in Fig. 15.44 have 25 and 35 teeth respectively. The arm \(C\) rotates at \(105 \mathrm{rpm}\) in clockwise direction. Find speed of gear \(B\) on its own axis, when gear \(A\) is fixed. If gear \(A\) rotates at \(200 \mathrm{rpm}\) in the counter-clockwise direction, what will be the speed of \(B\) ?

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B Arm A C Fig.15.44 Epicyclic gear train