NDA (National Defence Academy) Mathematics: Questions 338 - 342 of 384

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Question number: 338

» Statistics and Probability » Union and Intersection of Events

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MCQ▾

Question

In a city, three daily newspaper are published, read read C; read B and C; o not read any of the three newspaper

What is the percentage of persons who read only one paper? (Take )

Choices

Choice (4) Response

a.

48%

b.

38%

c.

46%

d.

None of the above

Question number: 339

» Trigonometry » Trigonometric Identities Sum and Difference Formulae

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MCQ▾

Question

What is the value of

Choices

Choice (4) Response

a.

b.

c.

d.

0

Question number: 340

» Statistics and Probability » Union and Intersection of Events

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Appeared in Year: 2012

MCQ▾

Question

In a city, three daily newspapers are published, read read read read A and B; read read o not read any of the three newspapers.

What is the percentage of persons who read all the three papers?

Choices

Choice (4) Response

a.

40 %

b.

30 %

c.

20 %

d.

25 %

Question number: 341

» Vector Algebra » Magnitude and Direction of a Vector

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MCQ▾

Question

What are the direction ratios of normal to the plane

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 342

» Matrices and Determinants » Basic Properties of Determinant

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Appeared in Year: 2012

MCQ▾

Question

If two rows of a determinant are identical, then what is the value of the determinant?

Choices

Choice (4) Response

a.

Can be any real value

b.

1

c.

- 1

d.

0