NDA (National Defence Academy) Mathematics: Questions 14 - 19 of 384

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Question number: 14

» Algebra » Relation

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MCQ▾

Question

Let be a relation from

What is equal to?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 15

» Algebra » Complex Numbers » Cube Roots of Unity

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MCQ▾

Question

What is equal to, where is the cube root of unity?

Choices

Choice (4) Response

a.

b.

c.

1

d.

0

Question number: 16

» Analytical Geometry of Two and Three Dimensions » Distance of a Point from a Line

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MCQ▾

Question

The angle of elevation of a tower at a level ground is . The angle of elevation becomes . when moved towards the tower. If the height of tower is , then what is equal to?

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 17

» Analytical Geometry of Two and Three Dimensions » Distance Formula

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MCQ▾

Question

If the mid-point between the points and lies on the line what is k equal to?

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Choice (4) Response

a.

b.

c.

d.

Question number: 18

» Matrices and Determinants » Operations on Matrices Determinant of a Matrix,

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MCQ▾

Question

What is equal to?

Choices

Choice (4) Response

a.

b.

c.

15xyz

d.

Question number: 19

» Algebra » Arithmetic Progression

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Appeared in Year: 2016

MCQ▾

Question

The sixth term of an is and it’s common difference is greater than What is the first term of the so that the product of the fourth and fifth terms is greatest?

Choices

Choice (4) Response

a.

b.

c.

d.