NDA (National Defence Academy) Mathematics: Questions 48 - 54 of 384

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Question number: 48

» Matrices and Determinants » Adjoint and Inverse of a Square Matrix

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MCQ▾

Question

If is a square matrix of order and then what is

Choices

Choice (4) Response

a.

1/40

b.

1/64

c.

2/25

d.

8/51

Question number: 49

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

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Appeared in Year: 2016

MCQ▾

Question

If then what is the value of the determinates of

Choices

Choice (4) Response

a.

1

b.

c.

0

d.

2

Question number: 50

» Algebra » Operations on Sets

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MCQ▾

Question

Let be the universal set, N being the set of natural numbers. if and then what is the complement of ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 51

» Trigonometry » Trigonometric Identities Sum and Difference Formulae

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Appeared in Year: 2012

MCQ▾

Question

What is perimeter of the triangle with vertices and ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 52

» Algebra » Arithmetic Progression

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MCQ▾

Question

What is the term of the sequence 4,8, 12,16,20,24,28,32, …. . ?

Choices

Choice (4) Response

a.

4n

b.

c.

d.

Question number: 53

» Algebra » Quadratic Equations with Real Coefficients

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MCQ▾

Question

What is the distance between the lines and ?

Choices

Choice (4) Response

a.

units

b.

units

c.

0

d.

units

Question number: 54

» Trigonometry » Trigonometric Identities Sum and Difference Formulae

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MCQ▾

Question

What is equal to? Where,

Choices

Choice (4) Response

a.

b.

0

c.

2

d.