Question : The point where all three medians of a triangle meet is called:

Option 1: Centroid

Option 2: Incentre

Option 3: Circumcentre

Option 4: Orthocentre

Question : The orthocentre of a triangle lies on one of the sides. Then:

Option 1: The orthocentre lies on a vertex

Option 2: Circumcentre lies outside the triangle

Option 3: Circumcentre lies on the same side

Option 4: Centroid coincides with orthocentre

Question : In a $\triangle ABC$, AD, BE and CF are the medians from vertices A, B, and C, respectively. The point of intersection of AD, BE and CF is called

Option 1: median point

Option 2: orthocentre

Option 3: centroid

Option 4: incentre

Question : If the sides of a triangle are in the ratio $3:1\frac{1}{4}:3\frac{1}{4}$, then the triangle is:

Option 1: Right-angled triangle

Option 2: Obtuse triangle

Option 3: Equiangular triangle

Option 4: Acute triangle

Question : If the angles of a triangle are in the ratio of 1 : 2 : 3, what is the type of such triangle?

Option 1: Isosceles triangle

Option 2: Equilateral triangle

Option 3: Right-angle triangle

Option 4: Obtuse- angle triangle