IMO Mathematics Olympiad Class 8: Questions 310  315 of 1029
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Question number: 310
» Quadrilaterals and Practical Geometry
Question
Given figure is a quadrilateral or not?
Choices
Choice (4)  Response  

a.  can’t say 

b.  Yes 

c.  No 

d.  Question does not provide sufficient data or is vague 

Question number: 311
» Quadrilaterals and Practical Geometry
Question
ABCD is a rhombus in which the altitude from D to side AB bisects AB. Then and ,
Respectively are________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 312
Question
A man sells a mare of Rs. 1016 making a profit of . The cost of the mare is________.
Choices
Choice (4)  Response  

a.  100 Rs. 

b.  10 Rs. 

c.  900 Rs. 

d.  1000 Rs. 

Question number: 313
Question
If a merchant estimates his profit as 20 % of the selling price, what is the profit percent?
Choices
Choice (4)  Response  

a.  20% 

b.  25% 

c.  30.33% 

d.  33.33% 

Question number: 314
Question
A grocer purchased 50 kg. Of sugar at Rs. 12.50 per kg and mixed it with 120 kg sugar at Rs. 30 per kg. At what rate should he sell the mixture (per kg) to gain 10%?
Choices
Choice (4)  Response  

a.  30 Rs. 

b.  27.33 Rs. 

c.  20.5 Rs. 

d.  20 Rs. 

Question number: 315
» Quadrilaterals and Practical Geometry
Question
Four angles of a quadrilateral are in the ratio 3: 6: 9: 12. The smallest angle is________.
Choices
Choice (4)  Response  

a.  20 

b.  50 

c.  36 

d.  10 
