IMO Mathematics Olympiad Class 5: Questions 457  462 of 837
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Question number: 457
Question
How many triangles can be drawn from below given dots (arranged in position as given)?
Choices
Choice (4)  Response  

a.  12 

b.  14 

c.  15 

d.  16 

Question number: 458
Question
What is the instrument used to measure wind speed?
Choices
Choice (4)  Response  

a.  Rain gauge 

b.  Barometer 

c.  Anemometer 

d.  None of the above 

Question number: 459
Question
Paul had rupees 189. He spent rupees 45.87 of it on a radio and rupees 0.78 on a drink. How much money is left with him?
Choices
Choice (4)  Response  

a.  143.35 rupees 

b.  142.35 rupees 

c.  144.35 rupees 

d.  145.35 rupees 

Question number: 460
Question
How many degrees in a full rotation?
Choices
Choice (4)  Response  

a.  45 

b.  90 

c.  360 

d.  180 

Question number: 461
» Geometry
Question
What is the total area of the shaded parts in the given figure if area of each is follow 9 cm^{2}?
Choices
Choice (4)  Response  

a.  252 sq. cm 

b.  150 sq. cm 

c.  36 sq. cm 

d.  55 sq. cm 

Question number: 462
» Geometry
Question
The shaded part in the figure below is covered with cement. If it cost rupees 80 to cement an area of 5 cm^{2}, find the total cost of cementing.
Choices
Choice (4)  Response  

a.  4560 Rs. 

b.  5460 Rs. 

c.  2250 Rs. 

d.  2120 Rs. 
