Question

1. State which of the following sets are
empty and which are not?
i) The set of lines passing through a
given point.
ii) Set of odd natural numbers divis-
ible by 2.
iii) {x : x is a natural number, x < 5
and x > 7}
iv) {x:x is a common point to any two
parallel lines}
v) Set of even prime numbers.​

Answer 1

1 question is infinite set, 2 question is empty set ,3 question is finite set , 4 question is empty set, and 5 question is also finite set because it has {2}