Here,

M₁ = 5, T₁ =7, W₂ =35

M₂ = ?, _T2 = 3, W₁ = 65

So according to the formula,

     M₁ T₁ W₂ = M₂ T₂ W₁

  $$\begin{gathered} 5\times 7\times 65=M_2\times 3\times 35 \\ \therefore M_2=\frac{5\times 7\times 65}{35\times 3}=\frac{65}{3} boys \end{gathered}$$

Hence option E is the correct.