Question

The following inequalities are equivalent except ...

A <3
B −1<2 C +1<3 D −2<1

Answer 1

C + 1 < 3 is not equivalent.

Explanation:

B - 1 < 2 ⇒ B < 3

C + 1 < 3 ⇒ C < 2

D - 2 < 1 ⇒ D < 3

Therefore, all inequalities are equivalent except C + 1 < 3.