IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 314  320 of 929
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Question number: 314
Question
The volume of the largest circular cone that can be cut of a cube whose edge is 8 cm is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 315
Question
A circular park of 80 metre diameter has a circular path just inside the boundary of width 8 metre. The area of path is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 316
Question
Which of the points A (0,3), B (1,0), C (0, 1), D (5,0), E (1,2) do not lie on the xaxis?
Choices
Choice (4)  Response  

a.  A and E only  
b.  B, C, E  
c.  A, C, E  
d.  B and D only 
Question number: 317
Question
If the volumes of two cones are in the ratio 2: 3 and their diameters are in the ratio 3: 7, and then the ratio of their heights is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 318
Question
The length of canvas 1.2 m wide required building a conical tent of height 14 m and also on the floor of floor area , breadth of canvas is ________
Choices
Choice (4)  Response  

a.  490 m  
b.  770 m  
c.  665 m  
d.  860 m 
Question number: 319
Question
If the altitude of an equilateral triangle is , its area is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 320
Question
A rectangle with perimeter 44cm is partitioned into 5 congruent rectangles, as indicated in the diagram. The perimeter of each of the congruent rectangle is ________.
Choices
Choice (4)  Response  

a.  24 cm  
b.  48 cm  
c.  10 cm  
d.  20 cm 