question_answer

DIRECTIONS: Which of the following would come in place of the question mark (?) in the following letter number series? \[\frac{1}{81},\,\frac{1}{54},\,\frac{1}{36},\,\frac{1}{24},?\]

A)  \[\frac{1}{52}\]                     

B)           \[\frac{1}{9}\]

C)  \[\frac{1}{16}\]                     

D)           \[\frac{1}{18}\]