IMO Mathematics Olympiad Class 6: Questions 239  246 of 1049
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Question number: 239
Question
The expression is equivalent to , uses the ________ property.
Choices
Choice (4)  Response  

a.  Closure 

b.  Distributive 

c.  Identity 

d.  Commutative 

Question number: 240
Question
While removing brackets the order in which the brackets are removed is
Choices
Choice (4)  Response  

a.  (), {}, [] 

b.  {}, (), [] 

c.  [], {}, () 

d.  [], (), {} 

Question number: 241
Question
Square of any negative integer is
Choices
Choice (4)  Response  

a.  Negative 

b.  0 

c.  Depend on the nature of integer 

d.  Positive 

Question number: 242
Question
The least number of square tiles that will be needed to pave a plot 135 m by 15 m is
Choices
Choice (4)  Response  

a.  12 tiles 

b.  18 tiles 

c.  9 tiles 

d.  15 tiles 

Question number: 243
Question
The expression is equivalent to , uses the ________ property.
Choices
Choice (4)  Response  

a.  Distributive 

b.  Identity 

c.  Commutative 

d.  Closure 

Question number: 244
Question
Which of the following set of numbers will make the number sentence true?
________ ________ ________ = 61
Choices
Choice (4)  Response  

a.  (7, 9, 2) 

b.  (5, 10, 8) 

c.  (9, 6, 4) 

d.  (7, 9, 8) 

Question number: 245
Question
is divisible by
Choices
Choice (4)  Response  

a.  3 & 9 

b.  9 

c.  7 

d.  3 

Question number: 246
Question
The least number which when increased by 11 is exactly divisible by 11 is
Choices
Choice (4)  Response  

a.  43 

b.  63 

c.  32 

d.  22 
