NDA Mathematics 14 November 2021 | NDA Year Wise Previous Years Questions

Mathematics

NDA Mathematics 14 November 2021

MCQ (Single Correct Answer)

+2.5

-0.83

Direction: Consider the following for the next two (02) items that follow.

The coordinates of three consecutive vertices of a parallelogram ABCD are A(1, 3), B(-1, 2) and C(3, 5).

What is the equation of the diagonal BD?

2x - 3y + 2 = 0

3x - 2y + 5 = 0

2x - 3y + 8 = 0

3x - 2y - 5 = 0

NDA Mathematics 14 November 2021

MCQ (Single Correct Answer)

+2.5

-0.83

Direction: Consider the following for the next two (02) items that follow.

The coordinates of three consecutive vertices of a parallelogram ABCD are A(1, 3), B(-1, 2) and C(3, 5).

What is the area of the parallelogram?

1 square unit

$\frac{3}{2}$ square units

2 square units

$\frac{5}{2}$ square units

NDA Mathematics 14 November 2021

MCQ (Single Correct Answer)

+2.5

-0.83

Direction: Consider the following for the next two (02) items that follow.

The equations of the sides AB, BC and CA of a triangle ABC are x - 2 = 0, y + 1 = 0 and x + 2y - 4 = 0 respectively.

What is the equation of the altitude through B on AC?

x - 3y + 1 = 0

x - 3y + 4 = 0

2x - y + 4 = 0

2x - y - 5 = 0

NDA Mathematics 14 November 2021

MCQ (Single Correct Answer)

+2.5

-0.83

Direction: Consider the following for the next two (02) items that follow.

The equations of the sides AB, BC and CA of a triangle ABC are x - 2 = 0, y + 1 = 0 and x + 2y - 4 = 0 respectively.

What are the coordinates of circumcentre of the triangle?

(4, 0)

(2, 1)

(0, 4)

(2, -1)