IMO Mathematics Olympiad Class 9: Questions 313  316 of 919
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Question number: 313
Question
In the given figure, and QS, RS are the bisectors of and, then ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 314
Question
A bus stop is barricaded from the remaining part of the road, by using 75 hollow cones made of recycled cardboard. Each cone has a base diameter of 60 cm and height 1 m. If the outer side of each of the cones is to be painted and the cost of painting is Rs. 17 per m^{2}, what will be the cost of painting all these cones? (Use and take)
Choices
Choice (4)  Response  

a.  Rs. 1645 

b.  Rs. 1742 

c.  Rs. 1224 

d.  Rs. 1586 

Question number: 315
Question
The volume of the largest circular cone that can be cut of a cube whose edge is 8 cm is ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 316
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. 

