IMO Mathematics Olympiad Class 10: Questions 67  73 of 958
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Question number: 67
Question
Which of the following numbers has the terminating decimal representation?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 68
Question
According to the fundamental theorem of arithmetic, if p (a prime number) divides , and b is positive, then ________
Choices
Choice (4)  Response  

a.  P divides b 

b.  divides p 

c.  b divided p 

d.  divides 

Question number: 69
Question
is ________
Choices
Choice (4)  Response  

a.  An irrational number 

b.  An imaginary number 

c.  An rational number 

d.  None of the above 

Question number: 70
Question
is ________
Choices
Choice (4)  Response  

a.  Real number 

b.  A rational number 

c.  An irrational number 

d.  All of the above 

Question number: 71
Question
Sum of squares of the two consecutive natural numbers is 113. The two consecutive numbers respectively________
Choices
Choice (4)  Response  

a.  1 and 2 

b.  3 and 4 

c.  7 and 8 

d.  4 and 5 

Question number: 72
Question
The product of two consecutive natural numbers is always ________
Choices
Choice (4)  Response  

a.  A prime number 

b.  An odd number 

c.  Divisible by 3 

d.  An even number 

Question number: 73
Question
If , then b equals________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

