# NDA (National Defence Academy) Mathematics: Questions 378 - 383 of 384

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## Question number: 378

Edit
MCQ▾

### Question

A variate takes value what is the median?

### Choices

Choice (4) Response

a.

4

b.

1

c.

3

d.

5

## Question number: 379

Edit
MCQ▾

### Question

Calculate the sum of the series

### Choices

Choice (4) Response

a.

674897119

b.

8245991

c.

704811971

d.

Question does not provide sufficient data or is vague

## Question number: 380

Edit
MCQ▾

### Question

What is the greatest value of the positive integer satisfying the condition

### Choices

Choice (4) Response

a.

8

b.

10

c.

9

d.

11

## Question number: 381

Edit
MCQ▾

### Question

The sum of three numbers in an A. P. is 18 and the sum of their cubes is 408. Find them.

### Choices

Choice (4) Response

a.

b.

c.

Both a. and b. are correct

d.

None of the above

## Question number: 382

» Statistics and Probability » Variance and Standard Deviation » Determination and Comparison

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MCQ▾

### Question

If the mean deviation of number 1, from their mean is 110, then the d is equal to

### Choices

Choice (4) Response

a.

b.

1.2

c.

d.

## Question number: 383

Edit
MCQ▾

### Question

For a random experiment the sample space is

Events A, B, C are defined as follow:

The correct for A, B, C are

### Choices

Choice (4) Response

a.

Mutually independent

b.

Not pairwise independent

c.

Not mutually independent

d.

Question does not provide sufficient data or is vague