IMO Mathematics Olympiad Class 9: Questions 836  841 of 919
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Question number: 836
» Linear Equations in Two Variables
Question
The cost of a note book is twice the cost of a pen. If the cost of a note book is ‘x’ and that of a pen is ‘y’, then a linear equation in two variables to represent is
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 837
» Introduction to Euclid's Geometry
Question
In figure, if , then
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 838
Question
The compound interest on Rs. 100000 at per annum for 2 years 3 months, compound annually is ________
Choices
Choice (4)  Response  

a.  Rs. 100000 

b.  Rs. 251200 

c.  Rs. 151200 

d.  Rs. 51200 

Question number: 839
Question
If 20 men working 5 hours a day for 10 days can complete a job, how many men working 10 hours a day for 5 days will be needed?
Choices
Choice (4)  Response  

a.  20 

b.  50 

c.  25 

d.  65 

Question number: 840
Question
A fan is listed at Rs. 650, with a discount of what additional discount must be offered to the customer to bring the net price to Rs. 452?
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Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 841
Question
Two dice are thrown simultaneously, the odds in favour of getting the sum 5 is________
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Choice (4)  Response  

a. 


b. 


c. 


d. 

