Question

$(1 - 1/2)(1 - 1/3)(1 - 1/4).....(1 - 1/10)=?$

• A. 1/2
• B. 9/10
• C. 1/10
• D. 9/2

Answer 1

Answer:

C. 1/10

$(1 - 1/2)(1 - 1/3)(1 - 1/4).....(1 - 1/10)$

$=1/2\times2/3\times3/4\times.....\times9/10$

$=1/10$