# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 203 - 208 of 929

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## Question number: 203

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MCQ▾

### Question

Ray OE bisects ∠AOB and OF is the ray opposite OE, then ∠FOB = ________ Image Defines Ray OE Bisects ∠AOB and of is the Ray Opposite OE Image defines Ray OE bisects ∠AOB and OF is the ray opposite OE and find ∠FOB

### Choices

Choice (4) Response

a.

∠BOE

b.

∠FOE

c.

∠AOE

d.

∠FOA

## Question number: 204

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MCQ▾

### Question

In the figure, p is greater than q by one third of a right angle. Find the values of p and q. Image Defines the Two Angles Image defines the angles and find the values of p and q

### Choices

Choice (4) Response

a.

p = 75˚ and q = 105˚

b.

p = 105˚ and q = 75˚

c.

p = 115˚ and q = 65˚

d.

p = 65˚ and q = 115˚

## Question number: 205

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MCQ▾

### Question

If two supplementary angles are in the ratio 13: 5, then the angles is ________

### Choices

Choice (4) Response

a.

125˚, 55˚

b.

145˚, 35˚

c.

130˚, 50˚

d.

120˚, 60˚

## Question number: 206

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MCQ▾

### Question

In the given figure, ∠COD is a right angle. ∠AOC and ∠BOD are in the ratio of 3: 2, thus ∠BOD measures________ Image Defines the Different Angle, Find BOD Image defines the angles and its ratio

### Choices

Choice (4) Response

a.

50˚

b.

40˚

c.

36˚

d.

54˚

## Question number: 207

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MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

118˚, 62˚

b.

119˚, 61˚

c.

116˚, 64˚

d.

117˚, 63˚

## Question number: 208

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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 ) ________ ABC is an Equilateral Triangle for Side Given Image ABC is an equilateral triangle, find the area of triangle is PQR

### Choices

Choice (4) Response

a.

b.

c.

d.