IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 280  284 of 1022
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Question number: 280
» Practical Geometry  Lines and Angles
Question
What is the angle between the hands of clock at 4 o’clock?
Choices
Choice (4)  Response  

a. 


b.  150° 

c. 


d. 


Question number: 281
» Practical Geometry  Lines and Angles
Question
In the figure, AB is parallel to CF. DE is a straight line. Find.
Choices
Choice (4)  Response  

a. 


b. 


c.  108° 

d. 


Question number: 282
Question
When and , then which is true?
Choices
Choice (4)  Response  

a.  is divisible by 3 

b.  is divisible by 3 

c.  is divisible by 3 

d.  is divisible by 3 

Question number: 283
» Practical Geometry  Lines and Angles
Question
ABC is an acute angled triangle. P, Q are the points on AB and AC respectively such that area of APC = area of AQB. A line is drawn through B parallel to AC and meets the line trough Q parallel to AB at S. QS cuts BC at R.
Choices
Choice (4)  Response  

a.  AP = PC 

b.  RS = AP 

c.  PC = BP 

d.  BR = RC 

Question number: 284
» Practical Geometry  Lines and Angles
Question
I: Sum of the two complementary angles are
II: Sum of two supplementary angles are
Which of the following statement is true?
Choices
Choice (4)  Response  

a.  I and II are true 

b.  Only I true 

c.  I and II are false 

d.  Only II true 
