NDA (National Defence Academy) Mathematics: Questions 69 - 75 of 384

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Question number: 69

» Differential Calculus » Algebraic Operations on Continuous Functions

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MCQ▾

Question

What is equal to?

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 70

» Statistics and Probability » Definition of Probability

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Appeared in Year: 2012

MCQ▾

Question

Three Discs are thrown. What is the probability that the same number will appear on each of them?

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Choice (4) Response

a.

b.

c.

d.

Question number: 71

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

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MCQ▾

Question

If , then what is the value of ?

Choices

Choice (4) Response

a.

1

b.

c.

d.

Question number: 72

» Analytical Geometry of Two and Three Dimensions » Equation of a Line in Various Forms

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MCQ▾

Question

What is the sum of the squares of direction cosines of the line joining the points ?

Choices

Choice (4) Response

a.

b.

1

c.

0

d.

Question number: 73

» 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.

1

b.

0

c.

d.

Question number: 74

» Matrices and Determinants » Adjoint and Inverse of a Square Matrix

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Appeared in Year: 2012

MCQ▾

Question

If and then what is equal to?

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Choice (4) Response

a.

b.

c.

d.

Question number: 75

» Analytical Geometry of Two and Three Dimensions » Distance of a Point from a Line

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MCQ▾

Question

The angle of elevation of a tower at a level ground is . The angle of elevation becomes . when moved towards the tower. If the height of tower is , then what is equal to?

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague