IMO Mathematics Olympiad Class 10: Questions 264  269 of 958
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 958 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 264
Question
In the equation, the sum of the roots is 3 and the product of the roots is 25. Then h and k respectively, have the values ________
Choices
Choice (4)  Response  

a.  9 and 5 

b.  9 and 5 

c.  9 and 5 

d.  9 and 5 

Question number: 265
Question
If one roots of is twice the other root, and then the value of ‘b’ is ________
Choices
Choice (4)  Response  

a.  3 

b.  9 

c. 


d.  9 

Question number: 266
Question
Solve the equation by using quadratic formula, then x is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 267
Question
A convex polygon has 90 diagonals. The number of its sides is ________
Choices
Choice (4)  Response  

a.  19 

b.  15 

c.  14 

d.  10 

Question number: 268
Question
One of the two students, while solving a quadratic equation in x, copied the constant term incorrectly and got the roots 4 and 5. The other copied the constant term and coefficient of correctly as and respectively. The correct roots are
Choices
Choice (4)  Response  

a.  5, 4 

b. 


c. 


d. 


Question number: 269
Question
Two numbers whose sum is 10 and absolute value of whose difference is 4 are the roots of the equation ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

