# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 155 - 160 of 929

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## Question number: 155

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MCQ▾

### Question

In the figure line a|| line b|| line c. their transversal line t1 and line t2, cut them at point X, Y, Z and J, K, L respectively. Point Y is the midpoint of segment XZ. If find and Image Defines the Lines Image 3 parallel line and 2 transversal lines and find the line value

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 156

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MCQ▾

### Question

If the perimeter of a rectangular garden plot is 80 metres, which of the following could be the length of one of its sides?

I. 30 metres

II. 40 metres

III. 50 metres

### Choices

Choice (4) Response

a.

III only

b.

I and II

c.

II only

d.

I only

## Question number: 157

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MCQ▾

### Question

The supplement of an angle is 50 more than six times its complement. Find the measure of the angle

### Choices

Choice (4) Response

a.

38˚

b.

56˚

c.

65˚

d.

82˚

## Question number: 158

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MCQ▾

### Question

The angles of a triangle are in the ratio . The triangle is ________

### Choices

Choice (4) Response

a.

Right

b.

Scalene

c.

Acute

d.

Isosceles

## Question number: 159

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MCQ▾

### Question

The measure of an angle is three times the measure of its supplementary angle. Then the angles are________

### Choices

Choice (4) Response

a.

45˚, 135˚

b.

28˚, 72˚

c.

26˚, 154˚

d.

50˚, 100˚

## Question number: 160

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MCQ▾

### Question

In the given figure . Which of the following must be true? Here in Image Define the l1 and l2 Are Parallel Lines Here in image define the l1 and l2 are parallel lines finding the choice is true

### Choices

Choice (4) Response

a.

b.

c.

d.