# Statistics and Probability (IMO- Mathematics Olympiad (SOF) Class 9): Questions 93 - 99 of 101

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

## Passage

A Bus is going on a long journey for 25 hours, starting at 6.00 hrs. The speed of the car at different hours is given below:

 Time (in hrs): 6 8 9 13 14 18 20 22 25 Speed (in km/hour): 30 60 50 40 60 70 80 60 20

From the above table answer the following questions.

## Question number: 93 (1 of 3 Based on Passage) Show Passage

» Statistics and Probability

MCQ▾

### Question

The average speed (in km/hour) between 6.00 hrs, 8.00 hrs, 9.00 hrs and 13.00 hrs is ________

### Choices

Choice (4) Response

a.

45

b.

67

c.

48

d.

96

## Question number: 94 (2 of 3 Based on Passage) Show Passage

» Statistics and Probability

MCQ▾

### Question

The percentage of increase in speed during 14.00 hrs and 18.00 hrs is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 95 (3 of 3 Based on Passage) Show Passage

» Statistics and Probability

MCQ▾

### Question

The percentage of decrease in speed during 22.00 hrs and 25.00 hrs is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 96

» Statistics and Probability

MCQ▾

### Question

In a class test, in Science, 45 students scored 88 marks, 15 students scored 75 marks and 5 scored 60 marks. The mean of their score is (approximately) ________

### Choices

Choice (4) Response

a.

75 marks

b.

83 marks

c.

80 marks

d.

90 marks

## Question number: 97

» Statistics and Probability

MCQ▾

### Question

The mean, median and mode of the following numbers 2,4, 5,6, 7,6, 5,4, 3,2, 1,1, 1,6, 8,8, 4,3, 2,2 are________

### Choices

Choice (4) Response

a.

3,4, 3

b.

4,4, 2

c.

3,3, 5

d.

3,4, 5

## Question number: 98

» Statistics and Probability

MCQ▾

### Question

Mean marks scored by 100 students were found to be 120. Later it was observed that a score of 59 was misread as 95. Then the correct mean is ________

### Choices

Choice (4) Response

a.

179.82

b.

169

c.

169.82

d.

119.64

## Question number: 99

» Statistics and Probability

MCQ▾

### Question

A contractor employed 14 labourers at Rs. 18 each per day, 12 labourers at Rs. 22 each per day, 9 labourers at Rs. 32 each per day and 5 labourers at Rs. 62 each per day. The average wages paid is ________

### Choices

Choice (4) Response

a.

Rs. 28

b.

Rs. 14

c.

Rs. 30

d.

Rs. 26

f Page