Consider the following statements : I. Every equilateral triangle is necessarily an isosceles triangle. II. Every right-angled triangle is necessarily an isosceles triangle. III. A triangle in which one of the median is perpendicular to the side it meets, is necessarily an isosceles triangle. The correct statements are:

• ক II and III
• খ I and III ✅ সঠিক উত্তর
• গ I and II
• ঘ I, II and III