IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 643  650 of 929
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Passage
A car is going on a long journey for 16 hours, starting at 5.00 hrs. The speed of the car at different hours is given below:
Time (in hrs):  5  7  9  11  13  17  15  19  21 
Speed (in km/hour):  40  50  60  80  70  65  75  60  50 
From the above table answer the following questions.
Question number: 643 (2 of 3 Based on Passage) Show Passage
Question
The average speed (in km/hour) between 5.00 hrs, 7.00 hrs and 9.00 hrs is ________
Choices
Choice (4)  Response  

a.  60 

b.  65 

c.  52 

d.  55 

Question number: 644 (3 of 3 Based on Passage) Show Passage
Question
The percentage of increase in speed during 9.00 hrs and 11.00 hrs is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 645
Question
Find the value of p if is a factor of the polynomial
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 646
» Introduction to Euclid's Geometry
Question
At the end of the year 2002, Ram was half old as his grandpa. The sum of the years in which they were born is 3854. Age of Ram at the end of year 2003 is ________.
Choices
Choice (4)  Response  

a.  50 

b.  51 

c.  35 

d.  36 

Question number: 647
Question
Find the remainder when is divided by .
Choices
Choice (4)  Response  

a.  3 

b.  6 

c.  1 

d.  0 

Question number: 648
Question
If 1 is added to the denominator of a fraction, the fraction becomes. If 1 is added to the numerator, the fraction becomes 1, the fraction is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 649
Question
If then =
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  3 

d.  4 

Question number: 650
» Analytical Reasoning and Logical Reasoning
Question
If , and, then
Choices
Choice (4)  Response  

a.  85 

b.  120 

c.  60 

d.  144 
