Answer
a) false
b) true
c) false
d) true
Work Step by Step
a) In combinations, order does not matter (it is counting ways to choose numbers in a set, but not ordering them)
b) In permutations, order matters because it is counting the ways to order elements of a set.
c) Since order matters, there are more permutations than combinations for a set of n objects.
d) $5C2 = 5C3 = 10$.
