IMO Level 1 Mathematics Olympiad (SOF) Class 6: Questions 208  214 of 1059
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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.  44  
b.  38  
c.  42  
d.  40 
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 6 and 12  
c.  It is divisible by both 3 and 24  
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. 
 
b.  9  
c.  2  
d.  11 
Question number: 213
Question
When a number is divided by eight, it has a remainder of 2. When it is divided by nine, it has remainder of 1. What is the number?
Choices
Choice (4)  Response  

a.  15  
b.  12  
c.  34  
d.  10 
Question number: 214
Question
What least value should be given to * so that the number 653 * 47 is divisible by 11?
Choices
Choice (4)  Response  

a.  9  
b.  6  
c.  7  
d.  1 