IMO Mathematics Olympiad Class 9: Questions 317  322 of 919
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Question number: 317
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.  B and D only 

b.  B, C, E 

c.  A and E only 

d.  A, C, E 

Question number: 318
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: 319
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.  665 m 

b.  770 m 

c.  490 m 

d.  860 m 

Question number: 320
Question
If the altitude of an equilateral triangle is , its area is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 321
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.  20 cm 

b.  10 cm 

c.  24 cm 

d.  48 cm 

Question number: 322
Question
If in the following image angle PQR is 110˚ then what would be the angle PSR?
Choices
Choice (4)  Response  

a.  120˚ 

b.  170˚ 

c.  150˚ 

d.  140˚ 
