NDA (National Defence Academy) Mathematics: Questions 241 - 246 of 384

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Question number: 241

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

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MCQ▾

Question

What is the value of ?

Choices

Choice (4) Response

a.

b.

0

c.

d.

Question number: 242

» Analytical Geometry of Two and Three Dimensions » Ellipse and Hyperbola

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Appeared in Year: 2012

MCQ▾

Question

If the latus rectum of an ellipse is equal to half of the minor axis, then what is its eccentricity?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 243

» Algebra » Arithmetic Progression

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MCQ▾

Question

The geometric mean and harmonic mean of two non-negative observations are and respectively. Then what is the arithmetic mean of the observation equal to:

Choices

Choice (4) Response

a.

32.5

b.

33.3

c.

34

d.

32

Question number: 244

» Algebra » Quadratic Equations with Real Coefficients

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Appeared in Year: 2012

MCQ▾

Question

What is the distant between the lines and ?

Choices

Choice (4) Response

a.

Units

b.

0

c.

Units

d.

Units

Question number: 245

» Algebra » Quadratic Equations with Real Coefficients

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Appeared in Year: 2016

MCQ▾

Question

If both the roots of the equation lie between then which one of the following is correct?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 246

» Algebra » Arithmetic Progression

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Appeared in Year: 2012

MCQ▾

Question

The geometric mean and harmonic mean of two non-negative observations are and respectively. Then what is the arithmetic mean of the observation equal to?

Choices

Choice (4) Response

a.

4

b.

25

c.

12.5

d.

9