# Statistics and Probability (NDA (National Defence Academy) Mathematics): Questions 1 - 7 of 41

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## Question number: 1

» Statistics and Probability » Elementary Theorems on Probability

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MCQ▾

### Question

What is the probability that a leap year selected at random contains 53 Saturdays?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Statistics and Probability » Measures of Central Tendency » Mode

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MCQ▾

### Question

What is the mode for the data 18,18,18,18,19,19,20,20,20,20,20,20,21,21,22,22,22,23,23,23,23,24,24,25,25?

### Choices

Choice (4) Response

a.

20

b.

21

c.

25

d.

23

## Question number: 3

» Statistics and Probability » Definition of Probability

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Appeared in Year: 2012

MCQ▾

### Question

Three Discs are thrown. What is the probability that the same number will appear on each of them?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 4

» Statistics and Probability » Elementary and Composite Events

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Appeared in Year: 2012

MCQ▾

### Question

If four dice are thrown together, then what is the probability that the sum of the number appearing one them is 25?

### Choices

Choice (4) Response

a.

1

b.

1/2

c.

1/1296

d.

0

## Question number: 5

» Statistics and Probability » Union and Intersection of Events

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MCQ▾

### Question

Out of first year students, passes in first semester and passed in the second semester. If did not pass in either semester, how many passed in both semesters?

### Choices

Choice (4) Response

a.

200

b.

100

c.

120

d.

110

## Question number: 6

» Statistics and Probability » Elementary Theorems on Probability

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MCQ▾

### Question

What is the probability that a leap year selected at random contains 53 Mondays?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 7

» Statistics and Probability » Definition of Probability

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MCQ▾

### Question

What is the number of ways that boys and girls can be seated so that boys and girls alternate?

### Choices

Choice (4) Response

a.

1200

b.

2172

c.

1223

d.

86,400

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