# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 269 - 275 of 929

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## Question number: 269

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MCQ▾

### Question

An exterior angle of a triangle is 130˚ and one of the interior opposite angle is 45˚. Then the other two angles of a triangle are

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 270

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MCQ▾

### Question

If M (3,6) is the midpoint of line interval XY and X has coordinate (-1,1), find the coordinates of Y.

### Choices

Choice (4)Response

a.

(11,7)

b.

(6,11)

c.

(7,10)

d.

(7,11)

## Question number: 271

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MCQ▾

### Question

is a point, which belongs to the line________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 272

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MCQ▾

### Question

The parallel sides of a trapezium are 60 cm and 77 cm and non-parallel sides are 26 cm and 26 cm. The approximate area of trapezium is ________

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 273

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MCQ▾

### Question

A running track is the ring formed by two concentric circles. It is 10 feet wide. The circumferences of the two circles differ by about ________.

### Choices

Choice (4)Response

a.

30 feet

b.

10 feet

c.

60 feet

d.

100 feet

## Question number: 274

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MCQ▾

### Question

The area of trapezium JKLM is ________

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 275

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MCQ▾

### Question

The angle between two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 60°, Then the angles of the parallelogram is ________

### Choices

Choice (4)Response

a.

b.

c.

d.

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