Question 84: Which of the following are equivalent?

1) where a in (1,2,3)
2) where a = 1 and a = 2 and a = 3
3) where b > 10 and b < 20
4) where a = 1 or a = 2 or a = 3
5) where b between 10 and 20
6) where b >= 10 and b < = 20
7) where b >= 10 and b < 20
 
Which of the following are equivalent?
(Find all correct answers)
 
a) 3 and 5
b) 5 and 6
c) 1 and 4
d) 5 and 7
e) 1 and 2
 
[Just for fun]