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In the following graph, the number of trees $\text{(P)}$ and the number of cut-sets $\text{(Q)}$ are

  1. $\mathrm{P}=2, \mathrm{Q}=2$
  2. $\mathrm{P}=2, \mathrm{Q}=6$
  3. $\mathrm{P}=4, \mathrm{Q}=6$
  4. $\mathrm{P}=4, \mathrm{Q}=10$
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