Which Statement Is Incorrect with Reference to Le Châtelier's Principle

Which statement is incorrect with reference to Le Châtelier's principle?

A) In a reaction of the type,Q + 2R
3T,the addition of one mole of Q results in the tripling of T.
B) If the reaction to the right is exothermic,the reaction to the left must be endothermic.
C) If the reaction rate of the forward reaction is known,then the reaction rate of the reverse reaction is also known.
D) Responses b and c are incorrect.