IMO Mathematics Olympiad Class 9: Questions 407  410 of 919
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Question number: 407
» Lines, Angles and Quadrilaterals
Question
In the given figure, WXYZ is a rectangle. If, then the value of is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 408
» Lines, Angles and Quadrilaterals
Question
The area of trapezium VXYZ is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 409
Question
A spherical ball of lead, 9 cm in diameter is melted and recast into four spherical balls. The diameter of three of these are 3 cm, 2 cm, 2.5 cm is respectively. The radius of the fourth ball is________.
Choices
Choice (4)  Response  

a.  8.79 cm 

b.  6.79 cm 

c.  7.79cm 

d.  5.79 cm 

Question number: 410
» Lines, Angles and Quadrilaterals
Question
In the adjoining figure, AP and BP are angle bisectors of and which meet at P of the parallelogram ABCD. Then
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

