IMO Mathematics Olympiad Class 6: Questions 23  30 of 1049
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Question number: 23
Question
When a figure is placed to the right of another with a value less than or equal to it, the value are ________.
Choices
Choice (4)  Response  

a.  Added 

b.  Multiplied 

c.  Subtracted 

d.  None of the above 

Question number: 24
Question
The last basic Roman numeral is ________.
Choices
Choice (4)  Response  

a.  X 

b.  M 

c.  I 

d.  V 

Question number: 25
Question
Difference of the smallest 7 digit number and the greatest 4 digit number is________
Choices
Choice (4)  Response  

a.  990001 

b.  99001 

c.  900001 

d.  999901 

Question number: 26
Question
The greatest three digits and smallest three digit numbers using digits 3, 5, 4 ________.
Choices
Choice (4)  Response  

a. 


b.  435, 543 

c. 


d. 


Question number: 27
Question
When a Roman Numeral of smaller value is put between two numbers of greater value, it subtracted from the numeral on its________
Choices
Choice (4)  Response  

a.  Right 

b.  Middle 

c.  Left 

d.  Question does not provide sufficient data or is vague 

Question number: 28
Question
The place which comes on immediate right of the hundred’s place in the place value chart is ________.
Choices
Choice (4)  Response  

a.  Hundred’s 

b.  Thousand’s 

c.  Unit’s 

d.  Ten’s 

Question number: 29
Question
Difference of 1000 and 800 is ________.
Choices
Choice (4)  Response  

a.  CC 

b.  CX 

c.  DC 

d.  CCC 

Question number: 30
Question
Place value of 4 in 53, 416 is________.
Choices
Choice (4)  Response  

a.  4 millions 

b.  4 thousand 

c.  4 hundred 

d.  40 
