IMO Mathematics Olympiad (SOF) Class 9: Questions 635  637 of 919
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Question number: 635
» Analytical Reasoning and Logical Reasoning
Question
There are four pillars W, X, Y and Z of different heights. Three spiders A, B, C and D start to climb on these pillars simultaneously. In one chance A climbs on W 10 cm but slips down 2 cm. B climbs on X 15 cm but slips down 7 cm. C climbs on Y 14 cm but slips down 6 cm. D climbs on Z 17 cm but slips down 11 cm. if each requires 70 chances to reach the top of the pillar, what is the height of the shortest pillar?
Choices
Choice (4)  Response  

a.  637 cm 

b.  562 cm 

c.  573 cm 

d.  431 cm 

Question number: 636
» Linear Equations in Two Variables
Question
The graph of is
Choices
Choice (4)  Response  

a.  II 

b.  III 

c.  IV 

d.  I 

Question number: 637
» Analytical Reasoning and Logical Reasoning
Question
In the matrix there are eight designs and one space is left blank as shown by a question mark. Which answer figures will figures will replace the question mark?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
