Company policy restricts employees to, at most, three person

[BTGmoderatorDC]

Company policy restricts employees to, at most, three personal days in a month, and even less if the number of Fridays in the month is more than four.

(A) even less if the number of Fridays in the month is more than four
(B) even less if the amount of Fridays in the month is more than four
(C) even fewer if the number of Fridays in the month is greater than four
(D) even fewer if the amount of Fridays in the month is more than four
(E) even less if the number of Fridays in the month is greater than four

OA C

Source: Magoosh

[rrnicky]

Company policy restricts employees to, at most, three personal days in a month, and even less if the number of Fridays in the month is more than four.

day is a countable noun, so fewer should be used in place of less. Also when comparing the word 'number', greater should be used instead of more

(A) even less if the number of Fridays in the month is more than four
(B) even less if the amount of Fridays in the month is more than four
(C) even fewer if the number of Fridays in the month is greater than four : both issues resolved, hence C is correct
(D) even fewer if the amount of Fridays in the month is more than four
(E) even less if the number of Fridays in the month is greater than four