IMO Mathematics Olympiad Class 9: Questions 694  699 of 919
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Passage
A Train is going on a long journey for 20 hours, starting at 3.00 hrs. The speed of the car at different hours is given below:
Time (in hrs):

3

5

8

10

12

15

18

20

23

Speed (in km/hour):

60

70

90

50

60

75

60

30

60

From the above table answer the following questions.
Question number: 694 (2 of 3 Based on Passage) Show Passage
Question
The percentage of decrease in speed during 18.00 hrs and 20.00 hrs is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 695 (3 of 3 Based on Passage) Show Passage
Question
The percentage of increase in speed during 10.00 hrs and 12.00 hrs is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 696
» Analytical Reasoning and Logical Reasoning
Question
If means X is the wife of Y, means X is the son of Y and means X is the sister of Y, which of the following would mean that A is the daughter of B?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 697
Question
Mean marks scored by 40 students were found to be 60. Later it was observed that a score of 48 was misread as 84. Then the correct mean is ________
Choices
Choice (4)  Response  

a.  59.1 

b.  58.2 

c.  59 

d.  58 

Question number: 698
Question
The area of a rectangle is 1000 square meters. If the length is more than the breadth, what is the breadth of the rectangular field?
Choices
Choice (4)  Response  

a.  40 m 

b.  30 m 

c.  25 m 

d.  35 m 

Question number: 699
» Linear Equations in Two Variables
Question
If the point (2, 5) lies on the graph of the equation , then the value of is________.
Choices
Choice (4)  Response  

a.  17 

b.  14 

c.  15 

d.  16 
