IMO Mathematics Olympiad (SOF) Class 6: Questions 207  212 of 1049
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Question number: 207
Question
Subtract the number obtained by reversing the digits of the number 65302 from the number obtained by interchanging the digits in the ten’s place and the hundred’s place of the same number, we get________.
Choices
Choice (4)  Response  

a.  95388 

b.  64746 

c.  76446 

d.  44676 

Question number: 208
Question
Which one is correct?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 209
Question
What is the least number to be subtracted from 1936 so that when divided by 9,10 and 15 it will leave the same remainder in each case?
Choices
Choice (4)  Response  

a.  40 

b.  44 

c.  38 

d.  42 

Question number: 210
Question
ABC is a three digit number in which the digit A is greater than the digit B and C. If the difference between ABC and CBA is 297 and the difference between ABC and BAC is 450, find all possible three digit numbers ABC.
Choices
Choice (4)  Response  

a.  724 

b.  946 

c.  835 

d.  All a. , b. and c. are correct 

Question number: 211
Question
A number is always divisible by 72 if
Choices
Choice (4)  Response  

a.  It is divisible by both 2 and 36 

b.  It is divisible by both 3 and 24 

c.  It is divisible by both 6 and 12 

d.  All a. , b. and c. are correct 

Question number: 212
Question
The integer which is 5 less than is
Choices
Choice (4)  Response  

a.  11 

b. 


c.  9 

d.  2 
