IMO Mathematics Olympiad (SOF) Class 7: Questions 642  643 of 1012
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Question number: 642
Question
The value of a machine depreciates every year by 5%. If the present value of the machine be Rs. 100,000, what will be its value after two years?
Choices
Choice (4)  Response  

a.  Rs. 99,250 

b.  Rs. 90,250 

c.  Rs. 99,000 

d.  Rs. 100,050 

Question number: 643
Question
In the figure (not drawn to scale), ABCD is a rhombus, FHI is an equilateral triangle and CEFG is a trapezium with EC parallel to FG, DCFI, BCG and GFH are straight lines. Find x and y respectively.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

