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

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## Question number: 259

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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

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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

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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

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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

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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

Edit
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

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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