Question

$(1- \frac{1}{2})(1- \frac{1}{3})(1- \frac{1}{4})(1- \frac{1}{5})$ = ____

• A. 0
• B. $\frac {1}{5}$
• C. $\frac {4}{5}$
• D. 1

Answer 1

Answer:

$\frac {1}{5}$

$(1- \frac{1}{2})(1- \frac{1}{3})(1- \frac{1}{4})(1- \frac{1}{5})$

$=1/2\times2/3\times3/4\times4/5$

$=1/5$