IMO Level 1 Mathematics Olympiad (SOF) Class 5: Questions 395  399 of 838
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Question number: 395
Question
I think of a decimal number. After I have subtracted 3.5 from it, then multiplied by 2 and then added 0.56, I get 1.2. what is the decimal number?
Choices
Choice (4)  Response  

a.  3.82 

b.  7.5 

c.  7.64 

d.  7 

Question number: 396
Question
Number of zeroes in 10 million are________.
Choices
Choice (4)  Response  

a.  6 

b.  7 

c.  5 

d.  8 

Question number: 397
Question
Commas are inserted in a number after each________?
Choices
Choice (4)  Response  

a.  Period 

b.  Digit 

c.  Place 

d.  All of the above 

Question number: 398
Question
I think of a decimal number. After I have multiplied it by 4 then added 7.4 and then I have subtracted 0.4 from it, I get 8. What is the decimal number?
Choices
Choice (4)  Response  

a.  0.25 

b.  25 

c.  2.5 

d.  All of the above 

Question number: 399
Question
Find out which of the following options contains all the components needed to form below figure.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
