NDA (National Defence Academy) Mathematics: Questions 180 - 186 of 384

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Question number: 180

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

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MCQ▾

Question

Let

Then, What is the value of

Choices

Choice (4) Response

a.

68

b.

c.

d.

Question number: 181

» Analytical Geometry of Two and Three Dimensions » Equation of a Sphere

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Appeared in Year: 2012

MCQ▾

Question

What is the diameter of the sphere

Choices

Choice (4) Response

a.

5 units

b.

6 units

c.

4 units

d.

12 units

Question number: 182

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

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MCQ▾

Question

If then what is the value of the determinates of

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 183

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

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MCQ▾

Question

If then what is the value of

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 184

» Algebra » Geometric and Harmonic Progressions

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Appeared in Year: 2012

MCQ▾

Question

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

Choices

Choice (4) Response

a.

5

b.

8

c.

7

d.

6

Question number: 185

» Algebra » Quadratic Equations with Real Coefficients

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MCQ▾

Question

If then which of the following is/are correct?

Select the correct answer using the code given below:

Choices

Choice (4) Response

a.

Neither

b.

c.

only

d.

only

Question number: 186

» 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.

1

b.

0

c.

d.