IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 73  80 of 968
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Question number: 73
Question
If , then b equals________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 74
Question
Rationalizing factor of is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 75
Question
A circular field has a circumference of 600 km. Two cyclists Sumeet and Samrat start together and can cycle at speeds of 15 km/hr and 20 km/hr respectively round the circular field. After how many hours will they meet again at the starting point?
Choices
Choice (4)  Response  

a.  120 hrs 

b.  90 hrs 

c.  100 hrs 

d.  160 hrs 

Question number: 76
Question
is equal to ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 77
Question
________
Choices
Choice (4)  Response  

a.  24 

b.  12 

c.  96 

d.  48 

Question number: 78
Question
is ________
Choices
Choice (4)  Response  

a.  Not a real number 

b.  A rational number 

c.  An irrational number 

d.  An integer 

Question number: 79
Question
Which of the following numbers has the terminating decimal representation?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 80
Question
Smaller number amongst and is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

