# IMO- Mathematics Olympiad Class 9: Questions 208 - 213 of 919

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## Question number: 208

MCQ▾

### Question

Two supplementary angles differ by 58˚. Then the angles are ________

### Choices

Choice (4) Response

a.

116˚, 64˚

b.

119˚, 61˚

c.

118˚, 62˚

d.

117˚, 63˚

## Question number: 209

MCQ▾

### Question

ABC is an equilateral triangle for side . P, Q and R are midpoints of AB, CA and BC respectively. The area of triangle PQR is (in) ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 210

MCQ▾

### Question

Remainder when is divided by is________

### Choices

Choice (4) Response

a.

b.

c.

d.

0

## Question number: 211

MCQ▾

### Question

In the figure, form a linear pair and . Then a, b respectively are________

### Choices

Choice (4) Response

a.

130˚, 50˚

b.

70˚, 120˚

c.

160˚, 70˚

d.

70˚, 110˚

## Question number: 212

MCQ▾

### Question

If two supplementary angles are in the ratio 2: 3, then the angles is ________

### Choices

Choice (4) Response

a.

140˚, 80˚

b.

185˚, 50˚

c.

160˚, 36˚

d.

72˚, 108˚

## Question number: 213

MCQ▾

### Question

The angles A, B, C, D, in the parallelogram ABCD are________

### Choices

Choice (4) Response

a.

90˚, 90˚, 90˚, 90˚

b.

30˚, 60˚, 20˚, 40˚

c.

90˚, 45˚, 30˚, 15˚

d.

90˚, 45˚, 15˚, 20˚

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