# Linear Equations in Two Variables (IMO- Mathematics Olympiad (SOF) Class 9): Questions 14 - 20 of 42

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## Question number: 14

» Linear Equations in Two Variables

MCQ▾

### Question

If, then values of y are________

### Choices

Choice (4) Response

a.

y = 15 and y=-10

b.

y=-10 and y=-30

c.

y = 25 and y = 5

d.

y = 20 and y = 30

## Question number: 15

» Linear Equations in Two Variables

MCQ▾

### Question

Rakesh has dollars more than Mohan has, and together they have a total of dollars. Which of the following represented the number of dollars than Mohan has?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 16

» Linear Equations in Two Variables

MCQ▾

The graph of is

### Choices

Choice (4) Response

a.

II

b.

III

c.

IV

d.

I

## Question number: 17

» Linear Equations in Two Variables

MCQ▾

### Question

A straight line parallel to the y-axis has equation________

### Choices

Choice (4) Response

a.

x = b

b.

x=-y

c.

y = b

d.

x = y

## Question number: 18

» Linear Equations in Two Variables

MCQ▾

### Question

The number of ways of writing the number in the form (a, b are integers)

### Choices

Choice (4) Response

a.

Finitely many

b.

0

c.

Infinitely many

d.

1

## Question number: 19

» Linear Equations in Two Variables

MCQ▾

### Question

The option which is not a solution of the equation , is________.

### Choices

Choice (4) Response

a.

(0,7)

b.

(4, -7)

c.

(5,3)

d.

(2,0)

## Question number: 20

» Linear Equations in Two Variables

MCQ▾

### Question

The number of values of k for which the system of equations , has the solutions?

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page