NDA (National Defence Academy) Mathematics: Questions 354 - 358 of 384

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Question number: 354

» Statistics and Probability » Correlation and Regression

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Appeared in Year: 2012

MCQ▾

Question

Consider the following statements:

  1. Two indepents variable are always uncorrelated.
  2. The coefficient of correlation between two variables is positive when decreases then decreases.

Which of the above statements is/are correct?

Choices

Choice (4) Response

a.

1 only

b.

2 only

c.

1 and 2

d.

Neither 1 nor 2

Question number: 355

» Analytical Geometry of Two and Three Dimensions » Eccentricity and Axis of a Conic

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MCQ▾

Question

What is the eccentricity of the conic

Choices

Choice (4) Response

a.

0

b.

c.

d.

Question number: 356

» Trigonometry » Applications » Properties of Triangles

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MCQ▾

Question

If is a cyclic quadrilateral, then what is equal to?

Choices

Choice (4) Response

a.

2sin A

b.

2sin A + 3sin B

c.

d.

4sin B

Question number: 357

» Statistics and Probability » Union and Intersection of Events

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Appeared in Year: 2012

MCQ▾

Question

In a city, three daily newspaper are published, read o not read any of the threenewspaper.

What is the percentage of persons who read only but neither nor ? (Take

Choices

Choice (4) Response

a.

4%

b.

1%

c.

3%

d.

All of the above

Question number: 358

» Analytical Geometry of Two and Three Dimensions » Angle between Two Lines and Two Planes

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MCQ▾

Question

If a line makes the angle with the axes, then what is the value of equal to?

Choices

Choice (4) Response

a.

7

b.

12

c.

5

d.

0