IMO Mathematics Olympiad Class 10: Questions 189  193 of 958
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Question number: 189
Question
When is divided by, the quotient and remainder is ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 190
» Pair of Linear Equations in Two Variables
Question
A boat goes 40 km upstream and 55 km downstream in 20 hours. In 23 hours, it can go 50 km upstream and 66 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  

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Question number: 191
» Pair of Linear Equations in Two Variables
Question
The sum of a two digit number and the number obtained by interchanging the digits of the number is 88. If the digits of the number differ by 6, then numbers are ________
Choices
Choice (4)  Response  

a.  65, 56 

b.  71, 17 

c.  43, 34 

d.  41, 14 

Question number: 192
Question
If are two numbers such that. Then are the roots of the quadratic equation ________
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Question number: 193
Question
The sum of the reciprocals of the roots of the equation is ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 

