IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 260 - 266 of 929

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Question number: 260

» Triangles and Circles

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MCQ▾

Question

The point of concurrency of the angle bisectors of a triangle is called ________.

Choices

Choice (4) Response

a.

Circumcentre

b.

Incentre

c.

Centroid

d.

Orthocentre

Question number: 261

» Triangles and Circles

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MCQ▾

Question

From the adjoining figure, the value of x is ________.

Given the adjoining figure, find value of x

Given the Adjoining Figure, Find Value of X

In the adjoining figure and find value of x

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 262

» Triangles and Circles

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MCQ▾

Question

Orthocenter of a triangle is the point of concurrency of its ________

Choices

Choice (4) Response

a.

Medians

b.

Angle bisectors

c.

Altitudes

d.

Perpendicular bisectors

Question number: 263

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

A triangle and a trapezoid are equal in area. They also have the same altitude. If the base of the triangle is 24 inches, the median of the trapezoid is ________

Choices

Choice (4) Response

a.

16 inches

b.

24 inches

c.

59 inches

d.

12 inches

Question number: 264

» Surface Area and Volumes

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MCQ▾

Question

A cone and a hemisphere have the same height and same radius of the base. The ratio between the volumes of the cone and the hemisphere is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 265

» Coordinate Geometry

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MCQ▾

Question

is a point, which belongs to the line________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 266

» Coordinate Geometry

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MCQ▾

Question

On plotting the points A (2,9), B (6,11), C (10,9), D (8,5), E (4,5) and joining AB, BC, CD, CE, EA, Which of the following figure is obtained?

Choices

Choice (4) Response

a.

Pentagon

b.

Hexagon

c.

Trapezoid

d.

Parallelogram