Question

The number of ways in which 4 men and 3 ladies sit at a round table so that no any two ladies sit together is

• A. 144
• B. 72
• C. 120
• D. None of these

Answer 1

Answer: (A)

144

Answer 2

$\begin{matrix} 4 - 1 \end{matrix}$ × ⁴C₃ × $\begin{matrix} 3 \end{matrix}$ = $\begin{matrix} 3 \end{matrix}$ × $\begin{matrix} 4 \end{matrix}$ = 144