NDA (National Defence Academy) Mathematics: Questions 123 - 129 of 384

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Question number: 123

» Trigonometry » Trigonometric Identities Sum and Difference Formulae

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Appeared in Year: 2012

MCQ▾

Question

What is the maximum value of ?

Choices

Choice (4) Response

a.

4

b.

2

c.

1

d.

10

Question number: 124

» Vector Algebra » Addition of Vectors

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Appeared in Year: 2012

MCQ▾

Question

What is the value of if the vectors are coplanar?

Choices

Choice (4) Response

a.

2

b.

c.

d.

4

Question number: 125

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

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MCQ▾

Question

The number 266 in decimal system is expressed in binary system by

Choices

Choice (4) Response

a.

100001010

b.

100101101

c.

111001001

d.

101010001

Question number: 126

» Vector Algebra » Scalar Product or Dot Product of Two-Vectors

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Appeared in Year: 2012

MCQ▾

Question

If the magnitude of two vectors are equal then which one of the following is correct?

Choices

Choice (4) Response

a.

is perpendicular to

b.

c.

d.

All of the above

Question number: 127

» Algebra » Geometric and Harmonic Progressions

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MCQ▾

Question

If , , are in , then what is the value of

Choices

Choice (4) Response

a.

5

b.

15

c.

20

d.

10

Question number: 128

» Trigonometry » Angles and Their Measures in Degrees and in Radians

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Appeared in Year: 2012

MCQ▾

Question

What is the value of ?

Choices

Choice (4) Response

a.

b.

c.

217/921

d.

Question number: 129

» Algebra » Operations on Sets

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MCQ▾

Question

If and are two sets, then what is equal to?

Choices

Choice (4) Response

a.

b.

{4,9, 8,6, 5}

c.

{1,5, 6,7, 9}

d.

{9,8, 6,5, 4}