IMO Mathematics Olympiad Class 10: Questions 297  301 of 908
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Question number: 297
Question
In the equation , the roots are equal when ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 298
Question
A man walks a distance of 48 km in a given time. If he walks 2 km/hr faster, he will perform the journey 4 hrs before. His normal rate of walking, is ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 299
Question
One of the two students, while solving a quadratic equation in x, copied the constant term incorrectly and got the roots 16 and 4. The other copied the constant term and coefficient of correctly as and respectively. The correct roots are
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Choice (4)  Response  

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b. 


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Question number: 300
Question
If the equation has equal roots, and then the both roots are equal to ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 301
Question
In the equation , the roots are equal when ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

