# NDA (National Defence Academy) Mathematics: Questions 320 - 325 of 384

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## Question number: 320

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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

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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

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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

## Question number: 323

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MCQ▾

### Question

If the number in decimal system is converted into binary system, then what is the resulting number?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 324

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MCQ▾

### Question

What is the arithmetic mean of first natural number with weights being the number itself?

### Choices

Choice (4) Response

a.

6

b.

7

c.

4

d.

5

## Question number: 325

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MCQ▾

### Question

Let be in where Let be in where And then, What is the value of

### Choices

Choice (4) Response

a.

Cannot be determined

b.

c.

d.