IMO Level 1 Mathematics Olympiad (SOF) Class 4: Questions 547  553 of 614
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Question number: 547
Appeared in Year: 2012
Question
Find the value of Y to make the expression true.
Choices
Choice (4)  Response  

a.  20 

b.  100 

c.  2 

d.  10 

Question number: 548
Appeared in Year: 2012
Question
12 friends met at a party. Each friend shook hands with each other exactly once. Number of handshakes took place is ________.
Choices
Choice (4)  Response  

a.  50 

b.  66 

c.  40 

d.  45 

Question number: 549
Question
Javed used a rule to get each new number in the pattern shown.
6,18,54,162
Which could be the rule Javed used?
Choices
Choice (4)  Response  

a.  Multiply 2 

b.  Multiply 3 

c.  Subtract 6 

d.  Add 4 

Question number: 550
Appeared in Year: 2012
Question
Where will the minute hand point after 1 hour 45 minutes from the time shown on the clock?
Choices
Choice (4)  Response  

a.  12 

b.  9 

c.  6 

d.  1 

Question number: 551
Question
The number in the pattern increase by the same amount each time. What is the next number in this pattern?
Choices
Choice (4)  Response  

a.  30 

b.  28 

c.  24 

d.  32 

Question number: 552
» Geometry
Question
How many lines of symmetry does the figure below have?
Choices
Choice (4)  Response  

a.  4 

b.  5 

c.  2 

d.  6 

Question number: 553
» Geometry
Question
Which line in the diagram is the correct line of symmetry?
Choices
Choice (4)  Response  

a.  MQ 

b.  TP 

c.  NR 

d.  SO 
