IMO Mathematics Olympiad Class 5: Questions 143  148 of 838
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Question number: 143
Question
Choose the odd one out.
Choices
Choice (4)  Response  

a.  CHMR 

b.  BGLQ 

c.  GLQV 

d.  BJLT 

Question number: 144
Question
The model below is orange shaded to represent the number 1.
1.
Each of the following models is shaded to represent a decimal number.
If the two decimals are added, what is the sum?
Choices
Choice (4)  Response  

a.  0.60 

b.  1.45 

c.  6.1 

d.  4.2 

Question number: 145
Question
Which of the following correctly shows 12345678 according to Indian place value chart?
Choices
Choice (4)  Response  

a.  1, 23, 45, 678 

b.  123, 45, 678 

c.  12, 34, 56, 78 

d.  Question does not provide sufficient data or is vague 

Question number: 146
Question
I think of a decimal number. After I have subtract 2.7 from it, then multiplied by 3 and then added 0.19, I get 10.2. What is the decimal number?
Choices
Choice (4)  Response  

a.  18 

b.  4.5 

c.  18.11 

d.  6.04 

Question number: 147
Question
which of the following is not correctly matched?
Choices
Choice (4)  Response  

a.  X = 10 

b.  XII = 12 

c.  I = 1 

d.  V = 2 

Question number: 148
Question
What mixed number represents the red shaded portion of the two models shown below?
Choices
Choice (4)  Response  

a. 


b.  0 

c.  1 

d.  Question does not provide sufficient data or is vague 
