IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 443  452 of 1022
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Question number: 443
Question
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 444
Question
Choices
Choice (4)  Response  

a.  729  
b. 
 
c.   729  
d. 

Question number: 445
Question
0 mangoes are bought for Rs. 11 and 11 mangoes are sold for Rs. 10. The gain (or) loss percent is ________.
Choices
Choice (4)  Response  

a.  11 % loss  
b.  21 % loss  
c.  11 % gain  
d.  21 % gain 
Question number: 446
Question
A factor of is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  3  
d.  All a. , b. and c. are correct 
Question number: 447
Question
Subtract the sum of and from 4 is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 448
Question
If , then x is ________.
Choices
Choice (4)  Response  

a.  2  
b.  1  
c.  4  
d.  3 
Question number: 449
Question
A man sells two horses for Rs. 4000 each, neither losing nor gaining in the deal. If he sold one horse at a gain of 25%, the other horse is sold at a loss of ________.
Choices
Choice (4)  Response  

a.  47%  
b. 
 
c.  50%  
d. 

Question number: 450
Question
Which of the following numbers is in the scientific notation?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 451
Question
By what number should be divided so that the quotient is ?
Choices
Choice (4)  Response  

a.  4  
b. 
 
c. 
 
d.  3 
Question number: 452
Question
If , then x =
Choices
Choice (4)  Response  

a.  10  
b.  11  
c.  13  
d.  12 