# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 191 - 196 of 931

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## Question 191

### Question

MCQ▾

Three parallel lines are cut by two transversals as shown in the given figure. If , and , then the length of EF is ________

### Choices

Choice (4)Response

a.

2 cm

b.

3.5 cm

c.

4 cm

d.

3 cm

## Question 192

### Question

MCQ▾

In the figure , and then ∠ 4 is________

### Choices

Choice (4)Response

a.

126˚

b.

136˚

c.

172˚

d.

134˚

## Question 193

### Question

MCQ▾

The angles P, Q, R, S in the parallelogram PQRS are________

### Choices

Choice (4)Response

a.

50˚, 60˚, 30˚, 40˚

b.

90˚, 60˚, 90˚, 60˚

c.

90˚, 90˚, 90˚, 90˚

d.

50˚, 45˚, 80˚, 15˚

## Question 194

### Question

MCQ▾

The given figure WXYZ is a parallelogram then the values of and are________

### Choices

Choice (4)Response

a.

35˚, 70˚

b.

78˚, 35˚

c.

20˚, 40˚

d.

50˚, 60˚

## Question 195

### Question

MCQ▾

The measurement of a window is , if 6 doors are to be fixed in that window in two rows, measurements of each door should be________

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 196

### Question

MCQ▾

Two supplementary angles differ by 72˚. Then the angles are ________

### Choices

Choice (4)Response

a.

119˚, 61˚

b.

110˚, 61˚

c.

128˚, 52˚

d.

126˚, 54˚