IMO Mathematics Olympiad Class 3: Questions 90  97 of 581
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Question number: 90
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: 91
Question
How is three hundred, forty three in standard form?
Choices
Choice (4)  Response  

a.  430 

b.  343 

c.  403 

d.  340 

Question number: 92
Question
The number shown on the abacus is ________.
Choices
Choice (4)  Response  

a.  734 

b.  653 

c.  543 

d.  643 

Question number: 93
Question
Look at the number sentence below.
Which number will make the number sentence true?
Choices
Choice (4)  Response  

a.  188 

b.  143 

c.  177 

d.  247 

Question number: 94
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: 95
Question
In the sum of 1856, 2548, 5641, how many thousands are there?
Choices
Choice (4)  Response  

a.  5 

b.  8 

c.  10 

d.  11 

Question number: 96
Question
There are 6 gold coins in a stack, how many gold coins are there in all?
Choices
Choice (4)  Response  

a.  30 

b.  60 

c.  120 

d.  50 

Question number: 97
Question
How many times 15 should be subtracted from 60 to give 0?
Choices
Choice (4)  Response  

a.  15 

b.  8 

c.  5 

d.  4 
