IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 259 - 265 of 968

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Question number: 259

» Quadratic Equations

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MCQ▾

Question

Sum of two numbers x and y is 12 and the absolute value of their difference is 20 the equation with these numbers as roots is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 260

» Quadratic Equations

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MCQ▾

Question

Which of the statements given below is correct. If discriminant for equation is D________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 261

» Quadratic Equations

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MCQ▾

Question

If one roots of is 3 times the other; the value of p is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 262

» Quadratic Equations

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MCQ▾

Question

A convex polygon has 77 diagonals. The number of its sides is ________

Choices

Choice (4) Response

a.

8

b.

3

c.

14

d.

11

Question number: 263

» Quadratic Equations

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MCQ▾

Question

The square of a number is decreased by 24. This value is twice the original number. Then the number is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 264

» Quadratic Equations

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MCQ▾

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

» Quadratic Equations

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

9

b.

3

c.

d.

-9