IMO Mathematics Olympiad (SOF) Class 9: Questions 437  442 of 919
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Question number: 437
Question
Rectangular plot area is and the length is 22 m. Also perimeter is ________
Choices
Choice (4)  Response  

a.  82 m 

b.  84 m 

c.  83 m 

d.  85 m 

Question number: 438
Question
The number of spherical balls each 0.8 cm in diameter be made out of a rectangular solid is ________
Choices
Choice (4)  Response  

a.  31500 

b.  31520 

c.  25400 

d.  45120 

Question number: 439
Question
In the given figure, the area of shaded portion is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 440
Question
In the figure , and . If the exterior angle RPU is, then the angle TSR is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 441
Question
The number of bullets that can be made out of a cube of lead whose edge measures 22 cm, each bullet being 2 cm in diameter is ________
Choices
Choice (4)  Response  

a.  2662 

b.  1347 

c.  5324 

d.  2541 

Question number: 442
Question
PQR is triangle in which QS, RT are medians. If , and , then the area of is________
Choices
Choice (4)  Response  

a.  180 

b.  360 

c.  216 

d.  220 
