NDA (National Defence Academy) Mathematics: Questions 255 - 261 of 384

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Question number: 255

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

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MCQ▾

Question

Find the determinant of the following matrix:

Choices

Choice (4) Response

a.

86

b.

76

c.

103

d.

108

Question number: 256

» 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: 257

» Trigonometry » Inverse Trigonometric Functions

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MCQ▾

Question

If then what is equal to?

Choices

Choice (4) Response

a.

b.

c.

d.

0

Question number: 258

» Algebra » Arithmetic Progression

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MCQ▾

Question

If are in AP as well as , then which one of the following is correct?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 259

» Algebra » Quadratic Equations with Real Coefficients

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MCQ▾

Question

If one of the roots of the equation is , then what is equal to?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 260

» Algebra » Arithmetic Progression

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Appeared in Year: 2016

MCQ▾

Question

Let be where Let be in where

What is the value of

Choices

Choice (4) Response

a.

90

b.

105

c.

Cannot be determined

d.

120

Question number: 261

» Algebra » Operations on Sets

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MCQ▾

Question

For all sets and is . Is this equation satisfied?

Choices

Choice (4) Response

a.

Yes

b.

No

c.

None of the above

d.

Question does not provide sufficient data or is vague