Pair of Linear Equations in Two Variables (IMO Mathematics Olympiad Class 10): Questions 80  82 of 82
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Question number: 80
» Pair of Linear Equations in Two Variables
Question
A boat goes 20 km upstream and 33 km downstream in 10 hours. In 13 hours, it can go 30 km upstream and 44 km downstream. If x represents the speed of the boat in still water in km/hr and y represent the speed of the stream in km/hr, then ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 81
» Pair of Linear Equations in Two Variables
Question
f (x) is a fifth degree polynomial. It is given that f (x) + 1 in divisible by and is divisible by . Find f (x).
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 82
» Pair of Linear Equations in Two Variables
Question
Choices
Choice (4)  Response  

a.  1 

b.  2 

c.  3 

d.  4 
