# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 100 - 106 of 931

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## Question 100

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### Question

MCQ▾

The measurement of a window is , if 12 doors are to be fixed in that window in three rows, measurements of each door should be________

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 101

Edit

### Question

MCQ▾

In the figure , . Then ∠6 is________

### Choices

Choice (4)Response
a.108˚
b.144˚
c.72˚
d.36˚

## Question 102

Edit

### Question

MCQ▾

In the given figure, then the value of x is ________.

### Choices

Choice (4)Response
a.25˚
b.55˚
c.35˚
d.45˚

## Question 103

Edit

### Question

MCQ▾

The value of x in the given figure is ________

### Choices

Choice (4)Response
a.118˚
b.130˚
c.120˚
d.114˚

## Question 104

Edit

### Question

MCQ▾

In the figure, bisectors of ∠Q and ∠S of a quadrilateral PQRS meet RS and PQ produced at X and Y respectively. Then is ________

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 105

Edit

### Question

MCQ▾

How many sides does a regular polygon have, each angle of which is of measure 108˚?

### Choices

Choice (4)Response
a.7
b.8
c.5
d.6

## Question 106

Edit

### Question

MCQ▾

DEF is an equilateral triangle for side. A, B and C are midpoints of DE, EF and DF respectively. The area of triangle JKL is (in) ________

### Choices

Choice (4)Response
a.
b.
c.
d.