IMO Level 1 Mathematics Olympiad (SOF) Class 6: Questions 190  195 of 1059
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Question number: 190
Question
Subtract the number obtained by reversing the digits of the number 20198 from the number obtained by interchanging the digits in the unit’s place and the hundred’s place of the same number, we get________.
Choices
Choice (4)  Response  

a.  77121 

b.   68229 

c.  68004 

d.   68211 

Question number: 191
Question
Find the sum of the given expression.
Choices
Choice (4)  Response  

a.   90 

b.   100 

c.  55 

d.  100 

Question number: 192
Question
There are 165 pens and 195 pencils. These pens and pencils are to be arranged in bags containing the same number of pens and pencils. Then the greatest number of pens and pencils possible in each bag is
Choices
Choice (4)  Response  

a.  23 

b.  13 

c.  15 

d.  18 

Question number: 193
Question
Prime factorization of 1975 is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 194
Question
The smallest number which when divided by 20,25,35 and 40 and leaves a remainder of 14,19,29 and 34 respectively is
Choices
Choice (4)  Response  

a.  1406 

b.  1664 

c.  1404 

d.  1394 

Question number: 195
Question
Multiplying a negative integer for even number of times gives a ________ result.
Choices
Choice (4)  Response  

a.  Negative 

b.  0 

c.  Positive 

d.  Question does not provide sufficient data or is vague 
