NDA (National Defence Academy) Mathematics: Questions 326 - 332 of 384

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Question number: 326

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

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Appeared in Year: 2012

MCQ▾

Question

IF and then what is determinant of

Choices

Choice (4) Response

a.

20

b.

0

c.

1

d.

10

Question number: 327

» Algebra » Arithmetic Progression

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MCQ▾

Question

The interior angles of a polygon of sides are in the smallest angle is and the common difference is find the value of number of sides.

Choices

Choice (4) Response

a.

5,12

b.

3,5

c.

0

d.

Question does not provide sufficient data or is vague

Question number: 328

» Algebra » Arithmetic Progression

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Appeared in Year: 2012

MCQ▾

Question

What is the arithmetic mean of first natural number with weights being the number itself?

Choices

Choice (4) Response

a.

b.

c.

11

d.

Question number: 329

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

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Appeared in Year: 2012

MCQ▾

Question

The actuate angle which the perpendicular from origin on the line makes with the axis is

Choices

Choice (4) Response

a.

b.

c.

Positive but not

d.

Negative

Question number: 330

» Algebra » Conversion from Decimal System to Binary System

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Appeared in Year: 2012

MCQ▾

Question

The number in decimal system is expressed in binary system by

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 331

» Analytical Geometry of Two and Three Dimensions » Direction Cosines and Direction Ratios

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MCQ▾

Question

What is the cosine of angle between the planes and

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 332

» Algebra » Complex Numbers » Modulus

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MCQ▾

Question

If , then what is the imaginary part of equal to?

Choices

Choice (4) Response

a.

b.

c.

0

d.

1