IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 778  780 of 968
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Question number: 778
Question
A bucket is in the form of a frustum of a cone, its depth is and the diameters of the top and the bottom are and respectively. Find how many liters the bucket can hold.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 779
Question
The number of solid spheres, each of diameter that could be moulded to form a solid metal cylinder of height and diameter is________.
Choices
Choice (4)  Response  

a.  4.64  
b.  3.55  
c.  6.45  
d.  5.22 
Question number: 780
» Triangle, Circle & Constructions
Question
CD subtends at the center of the semicircle. The sides SR and RT of a triangle RST meet the semicircle in C and D respectively. ST is the diameter of a semicircle. The is ________.
Choices
Choice (4)  Response  

a.  
b.  
c.  
d. 