NDA (National Defence Academy) Mathematics: Questions 117 - 122 of 384

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Question number: 117

» Algebra » Arithmetic Progression

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MCQ▾

Question

The seventh term of an is and it’s common difference is greater than What is the common difference of the , so that the product of the third, sixth and seventh terms is greatest?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 118

» Algebra » Arithmetic Progression

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Appeared in Year: 2016

MCQ▾

Question

The interior angles of a polygon of sides are in The smallest angle is and the common difference is How many possible values can have?

Choices

Choice (4) Response

a.

Two

b.

Three

c.

One

d.

Infinitely many

Question number: 119

» Algebra » Binary System of Numbers

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Appeared in Year: 2016

MCQ▾

Question

A five-digit number divisible by is to be formed using the digits without repetition of digits. What is the number of ways this can be done?

Choices

Choice (4) Response

a.

32

b.

96

c.

No number can be formed

d.

48

Question number: 120

» Differential Calculus » Standard Limits

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MCQ▾

Question

What is equal to

Choices

Choice (4) Response

a.

1/2

b.

- 1

c.

2

d.

- 2

Question number: 121

» Algebra » Quadratic Equations with Real Coefficients

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Appeared in Year: 2012

MCQ▾

Question

If the difference between the roots of is then which one of the following is correct?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 122

» Statistics and Probability » Random Variable as Function on a Sample Space

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Appeared in Year: 2012

MCQ▾

Question

  1. A continuous random variable can take all value in an interval.
  2. A random variable which take a finite number of values is necessarily discrete.
  3. Construction of a frequency distribution is based on data, which are discrete.

Which of the above statements are correct?

Choices

Choice (4) Response

a.

and only

b.

and only

c.

and only

d.

and