In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Q: R is an average of the color rendering ability of _ or more specific colors.

A: eight
****
Q: Comets are a bit like giant dirty ice-balls with diameters between _ and fifty kilometres.

A: five
****
Q: Women are _ times more likely to have migraine headaches than men.

A:
three
****