IMO- Mathematics Olympiad Class 9: Questions 263 - 268 of 919

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Question number: 263

» Triangles and Circles

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Medians

b.

Altitudes

c.

Angle bisectors

d.

Perpendicular bisectors

Question number: 264

» Lines, Angles and Quadrilaterals

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.

59 inches

b.

24 inches

c.

16 inches

d.

12 inches

Question number: 265

» Surface Area and Volumes

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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 266

» Coordinate Geometry

MCQ▾

Question

Equation is a point, which belongs to the line________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 267

» Coordinate Geometry

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.

Hexagon

b.

Trapezoid

c.

Pentagon

d.

Parallelogram

Question number: 268

» Triangles and Circles

MCQ▾

Question

In the figure, Equation and Equation , then Equation

Given the PQ is parallel to OE and PR is parallel to OF

Given the PQ Is Parallel to OE and PR Is Parallel to Of

Given the PQ is parallel to OE and PR is parallel to OF, then find the QR parallel line

Choices

Choice (4) Response

a.

OR

b.

PF

c.

PQ

d.

EF

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