# NDA (National Defence Academy) Mathematics: Questions 62 - 68 of 384

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## Question number: 62

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MCQ▾

### Question

What is the maximum value of ? Where

### Choices

Choice (4) Response

a.

2

b.

1

c.

0

d.

## Question number: 63

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MCQ▾

### Question

If then which of the following is/are correct?

Select the correct answer using the code given below:

### Choices

Choice (4) Response

a.

Neither

b.

c.

only

d.

only

## Question number: 64

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Appeared in Year: 2012

MCQ▾

### Question

If , then what is the value of ?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 65

Edit
MCQ▾

### Question

What is equal to?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 66

Edit
MCQ▾

### Question

What is the cosine of angle between the planes and

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 67

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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.

6

d.

5

## Question number: 68

Edit
MCQ▾

### Question

Two poles are and high. The line joining their tips makes an angle of with the horizontal. What is the distance between the poles?

### Choices

Choice (4) Response

a.

b.

c.

d.

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