IMO Level 1 Mathematics Olympiad (SOF) Class 4: Questions 540  543 of 614
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Question number: 540
» Geometry
Question
Which figure does have a line of symmetry?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 541
Question
The capacity of a small container is 1240 ml and the capacity of a big container is 50 ml. If uses 1 small containers and 1 big container of water to fill up an empty tank, then what is the capacity of the tank?
Choices
Choice (4)  Response  

a.  3040 ml 

b.  2300 ml 

c.  1290 ml 

d.  1240 ml 

Question number: 542
Question
Rima bought 50 orange. She found out that out of every 10 orange, 4 are rotten and had to be thrown away. How many oranges in the end are left with him?
Choices
Choice (4)  Response  

a.  50 

b.  30 

c.  26 

d.  54 

Question number: 543
Question
Reshu used rectangles and circles to make a pattern. For Figure 1 she used two circles. For Figure 2, she added two rectangles. She continued the pattern by adding two circles and the two rectangles.
What will be the total number of circles in Figure 5?
Choices
Choice (4)  Response  

a.  4 

b.  8 

c.  10 

d.  6 
