A $0.05\mathrm{kg}$ bullet travelling at $200\mathrm{ms}$ horizontal strike; a thick vertical wall a load of mass $10\mathrm{kg}$ is suspended on the rule at $L$, the $10\mathrm{cm}$ mark. If the rule is kept in equilibrium by a string $p$, fixed at p and attached to the rule at $\mathrm{R}$, the $20\mathrm{cm}$ mark, then the tension $T$ In the string is ____________

A. $25\mathrm{N}$
B. $50\mathrm{N}$
C. $250\mathrm{N}$
D. $5000\mathrm{N}$.  
E. $25000\mathrm{N}$

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Correct Answer: D