Which of the following is less than 1/2 (1) 5/11 (2) 4/7 (3) 3/5 (4) 2/3

Answer 1

all those where the denominator is greater than twice the numerator.
is 11 > 2*5, yes ✅
now check the others
well bummer; there is only one correct answer, so why bother ? ...