[tex]1 - \frac{1}{2} = \frac{1}{2} [/tex]
[tex]1 - \frac{1}{3} = \frac{2}{3} [/tex]
[tex]1 - \frac{1}{4} = \frac{3}{4} [/tex]
[tex] \frac{1}{2} \times \frac{2}{3} \times \frac{3}{4} = \frac{6}{24} = \frac{1}{4} [/tex]
Cevap : 1/4 D