Question: A single epicyclic gear train is shown in the given Fig.13. Wheel (A) is stationary. If the number of teeth on (A) and (B) are

A single epicyclic gear train is shown in the given Fig.13. Wheel $A$ is stationary. If the number of teeth on $A$ and $B$ are 120 and 45 respectively, then when $B$ rotates about its own axis at $100 \mathrm{rpm}$, the speed of $C$ would be

B C A Fig.13

(a) $20 \mathrm{rpm}$

(b) $27 \frac{3}{11} \mathrm{rpm}$

(c) $19 \frac{7}{11} \mathrm{rpm}$

(d) $100 \mathrm{rpm}$.

B C A Fig.13

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