mdcat logical reasoning MCQ #425

If a triangle has equal angles, it is equilateral. A triangle is not equilateral. What follows?

mdcat logical reasoning MCQ #425

  1. Question 1

    Q1. If a triangle has equal angles, it is equilateral. A triangle is not equilateral. What follows?

    • A) Its angles are unequal.
    • B) It has one right angle.
    • C) All angles are 60°.
    • D) It has two equal sides.

    Answer: Its angles are unequal.

    Explanation: Modus tollens applies. Option D describes an isosceles triangle, not excluded by premises.