IMO Mathematics Olympiad Class 7: Questions 920  924 of 1012
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Question number: 920
Question
The lengths of the sides of a triangle are 5 m, 1.2 decameter and 130 dm. Then its area is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 921
Question
The value of , when and is ________.
Choices
Choice (4)  Response  

a.  10.43802 

b. 


c. 


d.  12.04508 

Question number: 922
Question
If and , then value of =
Choices
Choice (4)  Response  

a.  17 

b.  65 

c.  26 

d.  13 

Question number: 923
Question
A well of diameter 150 cm has a stone parapet around it. If the length of the outer edge of the parapet is 660 cm, then the width of the parapet is ________.
Choices
Choice (4)  Response  

a.  10 cm 

b.  40 cm 

c.  20 cm 

d.  30 cm 

Question number: 924
» Logical and Analytical Reasoning
Question
Use the clues below to label each cat.
The gray cat is not first.
The tabby cat is to the right of the white cat.
The white cat is not last.
The black cat is between the tabby and gray cats.
Which of the following lists has the cats in the correct order?
Choices
Choice (4)  Response  

a.  Tabby, Black, White, Gray 

b.  White, Tabby, Black, Gray 

c.  White, Tabby, Gray, Black 

d.  Tabby, Black, Gray, White 
