IMO- Mathematics Olympiad Class 9: Questions 247 - 251 of 919

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Question number: 247

» Coordinate Geometry

MCQ▾

Question

On plotting the points A (3, 3), B (9, 3), C (12, 10), D (5, 10) and joining AB, BC, CD, DA Which of the following figure is obtained?

Choices

Choice (4) Response

a.

Hexagon

b.

Cross

c.

Triangle

d.

Parallelogram

Question number: 248

» Triangles and Circles

MCQ▾

Question

The Equation and Equation are right angles. If Equation , Equation and Equation , then the length of QR and QS respectively is ________

Given the PQR and QSR are right angles

Given the PQR and QSR Are Right Angles

Given the PQR and QSR are right angles, PS is 16 cm, SR is 9 cm and PQ is 20 cm, then Find the length of QR and QS respectively

Choices

Choice (4) Response

a.

15 cm, 12 cm

b.

16 cm, 15 cm

c.

25 cm, 12 cm

d.

15 cm, 16 cm

Question number: 249

» Surface Area and Volumes

MCQ▾

Question

If the altitude of an equilateral triangle is Equation , its area is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 250

» Coordinate Geometry

MCQ▾

Question

The Point identified in figure by the Coordinates (-6, 4) is ________

Point identified in figure by the Coordinates (-6, 4)

Point Identified in Figure by the Coordinates (-6, 4)

Different points in graph and find the coordinate related point

Choices

Choice (4) Response

a.

Y

b.

Z

c.

W

d.

X

Question number: 251

» Surface Area and Volumes

MCQ▾

Question

A triangle and a trapezoid are equal in area. They also have the same altitudes. If the base of the triangle is 18 inches, the mean of the parallel sides of the trapezoid is ________

Choices

Choice (4) Response

a.

36 inches

b.

Not obtained from this data

c.

18 inches

d.

9 inches

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