# NDA (National Defense Academy) Mathematics: Questions 314 - 322 of 384

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## Question number: 314

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Appeared in Year: 2012

MCQ▾

### Question

Let is a square of a natural number and is less than and is a set of even natural numbers. What is cardinality of ?

### Choices

Choice (4)Response

a.

9

b.

4

c.

5

d.

All of the above

## Question number: 315

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MCQ▾

### Question

If , then what is the value of ?

### Choices

Choice (4)Response

a.

b.

0

c.

1

d.

## Question number: 316

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MCQ▾

### Question

If are the root of the equation then what is equal to?

### Choices

Choice (4)Response

a.

0

b.

1

c.

d.

## Question number: 317

Edit
MCQ▾

### Question

Let,

Then, What is the value of

### Choices

Choice (4)Response

a.

0

b.

35

c.

1

d.

33

## Question number: 318

Edit

Appeared in Year: 2012

MCQ▾

### Question

What is the sum of the squares of the roots of the equation

### Choices

Choice (4)Response

a.

180

b.

170

c.

290

d.

190

## Question number: 319

Edit

Appeared in Year: 2016

MCQ▾

### Question

What is equal to?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 320

Edit

Appeared in Year: 2012

MCQ▾

### Question

If are in as well as , Then which one of the following is correct?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 321

Edit
MCQ▾

### Question

Let be in where Let be in where

What is the value of

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 322

Edit
MCQ▾

### Question

Out of points in a plane, points are in the same straight line, triangles can be formed by joining these points. What is the value of

### Choices

Choice (4)Response

a.

4

b.

3

c.

5

d.

6

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