IMO- Mathematics Olympiad (SOF) Class 9: Questions 378 - 383 of 919

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Question number: 378

» Surface Area and Volumes

MCQ▾

Question

A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. The area of the lawn is 2109 sq. m. What is the width of the road?

Choices

Choice (4) Response

a.

3 m

b.

6 m

c.

7 m

d.

2 m

Question number: 379

» Triangles and Circles

MCQ▾

Question

From the adjoining figure, the value of k is ________

Given the XYZ triangle and NZM triangle are adjoining

Given the XYZ Triangle and NZM Triangle Are Adjoining

Showing image of the XYZ triangle and NZM triangle are adjoining

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 380

» Coordinate Geometry

MCQ▾

Question

If x-coordinate of a point is zero than this point always lies________.

Choices

Choice (4) Response

a.

II quadrant

b.

X-axis

c.

III quadrant

d.

Y-axis

Question number: 381

» Triangles and Circles

MCQ▾

Question

In given figure. Then is ________

Given the SQR is 85 and QPR is 50

Given the SQR is 85 and QPR is 50

Given the SQR is 85 and QPR is 50 then find the QRS angle

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 382

» Triangles and Circles

MCQ▾

Question

The centroid of a triangle divides each median in the ratio ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 383

» Triangles and Circles

MCQ▾

Question

The point concurrency of altitudes of a triangle is called ________

Choices

Choice (4) Response

a.

Orthocenter

b.

Incenter

c.

Circumcenter

d.

Centroid

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