IMO Mathematics Olympiad (SOF) Class 8: Questions 847  851 of 1030
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Question number: 847
Question
Reema is on a road trip. She travels at an average rate of 30 miles per hour. How far does she travel in 2 hours?
Choices
Choice (4)  Response  

a.  50 miles 

b.  20 miles 

c.  25 miles 

d.  75 miles 

Question number: 848
Question
Nirav has built a cubical water tank with lid for his house, with each outer edge 1.5 m long. He gets the outer surface of the tank excluding the base, covered with square tiles of side 25 cm. So, how many tiles are required for the tank?
Choices
Choice (4)  Response  

a.  160 

b.  100 

c.  120 

d.  180 

Question number: 849
Question
Pratik bought some packages of pencils. He bought three packages containing 5 pencils and n packages containing 10 pencils each. Which one of the following expression could be used to find the total number of pencils that Pratik bought?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 850
Question
A girl 5 feet casts a shadow 60 inches long. At the same time a telephone pole casts a 300 inches shadow. Which proportions cannot be used to find the height of the telephone pole?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 851
Question
A vessel contain a mixture of milk and water in the ratio 5: 2. Which of the following ratio is equivalent to 5: 2?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 
