Real Numbers (IMO Mathematics Olympiad Class 10): Questions 74  80 of 89
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Question number: 74
» Real Numbers
Question
Rationalizing factor of is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 75
» Real Numbers
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.  160 hrs 

b.  90 hrs 

c.  100 hrs 

d.  120 hrs 

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

a. 


b. 


c. 


d. 


Question number: 77
» Real Numbers
Question
________
Choices
Choice (4)  Response  

a.  48 

b.  24 

c.  96 

d.  12 

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

a.  Not a real number 

b.  An integer 

c.  A rational number 

d.  An irrational number 

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

a. 


b. 


c. 


d. 


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

a. 


b. 


c. 


d. 

