A) 6 : 5
B) 12 : 11
C) 11 : 10
D) 10 : 11
Correct Answer: C
Solution :
\[P=\frac{mgh}{t}\] Þ \[\frac{{{P}_{1}}}{{{P}_{2}}}=\frac{{{m}_{1}}}{{{m}_{2}}}\times \frac{{{t}_{2}}}{{{t}_{1}}}\] (As h = constant) \\[\frac{{{P}_{1}}}{{{P}_{2}}}=\frac{60}{50}\times \frac{11}{12}=\frac{11}{10}\]
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