NDA Math Polygons and Quadrilaterals

Consider the points A(2,4,6), B(−2,−4,−2),C(4,6,4) and D(8,14,12). Which of the following statements is/are correct?
1. The points are the vertices of a rectangle ABCD.
2. The mid-point of AC is the same as that of BD.
Select the correct answer using the code given below: