Number Sense (IMO Mathematics Olympiad Class 3): Questions 62  67 of 78
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Question number: 62
» Number Sense
Question
Raj drawn a number card from a bag containing number from 1 to 50. It is found that number is 15 more than the least two digit number. What is his number?
Choices
Choice (4)  Response  

a.  55 

b.  40 

c.  15 

d.  25 

Question number: 63
» Number Sense
Question
How is three hundred, forty three in standard form?
Choices
Choice (4)  Response  

a.  430 

b.  343 

c.  403 

d.  340 

Question number: 64
» Number Sense
Question
The number shown on the abacus is ________.
Choices
Choice (4)  Response  

a.  734 

b.  653 

c.  543 

d.  643 

Question number: 65
» Number Sense
Question
If Unit’s place and hundred’s place digit is interchanging in each number, then which of the following number is odd?
Choices
Choice (4)  Response  

a.  4320 

b.  3450 

c.  7283 

d.  3650 

Question number: 66
» Number Sense
Question
Saumya’s roll number in a class is five at ten’s place. Which could not be his roll number?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 

Question number: 67
» Number Sense
Question
Mr. Kant wrote a three digit number on the blackboard. Three student Asha, Nensi and Rustom said the following about number:
Asha: It is 3 digit number but not the least
Nensi: It is having three different digits
Rustom: It is the predecessor of least 4 digit number
What is the number, If only two of the three students said the truth?
Choices
Choice (4)  Response  

a.  99 

b.  100 

c.  999 

d.  998 
