IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 461  467 of 929
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Question number: 461
Question
Two dice are thrown. What is the probability of obtaining a total of 10 or 11?
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Choice (4)  Response  

a. 


b. 


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d. 


Question number: 462
Question
=
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 463
Question
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Choice (4)  Response  

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Question number: 464
Question
Factor of =
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Choice (4)  Response  

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Question number: 465
» Analytical Reasoning and Logical Reasoning
Question
Six books P, Q, R, S, T and U are placed side by side. R, Q, T have blue covers and other books have red covers. Only S and are new books and the rest are old, P, R, S are law reports, the rest are Gazetteers. Which two books are old Gazetteers with blue covers?
Choices
Choice (4)  Response  

a.  Q and U 

b.  T and U 

c.  Q and T 

d.  Q and R 

Question number: 466
Question
A cloth merchant has announced rebate in prices. If one needs to have a rebate of Rs. 70, then how many shirts each costing Rs. 60, he should purchase?
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Choice (4)  Response  

a.  1 

b. 


c. 


d. 


Question number: 467
Question
A class starts at 7 a. m. and lasts till 1 p. m. seventh periods are held during this interval. After every period, 5 minutes are given free to the students. The exact duration of each period is ________
Choices
Choice (4)  Response  

a.  47.14 minutes 

b.  47 minutes 

c.  47.56 minutes 

d.  47.78 minutes 
