Number Systems (IMO Mathematics Olympiad (SOF) Class 6): Questions 47  53 of 84
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Question number: 47
» Number Systems
Question
If positive sign precedes a bracket the sign of the terms inside the bracket will ________ when the bracket is removed.
Choices
Choice (4)  Response  

a.  Change 

b.  Be 0 

c.  Depends on the bracket 

d.  Not change 

Question number: 48
» Number Systems
Question
If a, b and c are whole numbers such that a = b and c 0 and c > 0, then
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 49
» Number Systems
Question
Product of two integers is 96. If one of the integers is 8, then the other is
Choices
Choice (4)  Response  

a.  12 

b.   14 

c.  0 

d.  15 

Question number: 50
» Number Systems
Question
The integer which is 7 more than is
Choices
Choice (4)  Response  

a.  2 

b.  4 

c. 


d.  16 

Question number: 51
» Number Systems
Question
Rohan’s monthly salary is Rs. 18000. He spends Rs. 2050 for his home expenses, Rs. 1590 for purchasing clothes, Rs. 870 for purchasing groceries, milk, etc. , Rs. 1900 for purchasing medicine and pays a rent of Rs. 4500 in a particular month. How much does he save in this month?
Choices
Choice (4)  Response  

a.  Rs. 7090 

b.  Rs. 8609 

c.  Rs. 7050 

d.  Rs. 6870 

Question number: 52
» Number Systems
Question
Product of two integer is If one of the integers is , then the other is
Choices
Choice (4)  Response  

a.  19 

b.  1 

c.  0 

d.  9 

Question number: 53
» Number Systems
Question
The expression is equivalent to, uses the ________ property.
Choices
Choice (4)  Response  

a.  Associative 

b.  Closure 

c.  Identity 

d.  Commutative 
