IMO- Mathematics Olympiad Class 10: Questions 264 - 269 of 958

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Question number: 264

» Quadratic Equations

MCQ▾

Question

In the equationEquation , 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

» Quadratic Equations

MCQ▾

Question

If one roots of Equation is twice the other root, and then the value of ‘b’ is ________

Choices

Choice (4) Response

a.

3

b.

-9

c.

Equation

d.

9

Question number: 266

» Quadratic Equations

MCQ▾

Question

Solve the equation Equation by using quadratic formula, then x is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 267

» Quadratic Equations

MCQ▾

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

» Quadratic Equations

MCQ▾

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 Equation correctly as Equation and Equation respectively. The correct roots are

Choices

Choice (4) Response

a.

5, 4

b.

Equation

c.

Equation

d.

Equation

Question number: 269

» Quadratic Equations

MCQ▾

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.

Equation

b.

Equation

c.

Equation

d.

Equation

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