IMO- Mathematics Olympiad (SOF) Class 9: Questions 378 - 383 of 919
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Question number: 378
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 | |
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| a. | 3 m |
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| b. | 6 m |
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| c. | 7 m |
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| d. | 2 m |
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Question number: 379
Question
From the adjoining figure, the value of k is ________
Given the XYZ Triangle and NZM Triangle Are Adjoining
Showing image of the XYZ triangle and NZM triangle are adjoining
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Question number: 380
Question
If x-coordinate of a point is zero than this point always lies________.
Choices
| Choice (4) | Response | |
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| a. | II quadrant |
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| b. | X-axis |
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| c. | III quadrant |
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| d. | Y-axis |
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Question number: 381
Question
In given figure. Then is ________
Given the SQR is 85 and QPR is 50
Given the SQR is 85 and QPR is 50 then find the QRS angle
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Question number: 382
Question
The centroid of a triangle divides each median in the ratio ________
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Question number: 383
Question
The point concurrency of altitudes of a triangle is called ________
Choices
| Choice (4) | Response | |
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| a. | Orthocenter |
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| b. | Incenter |
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| c. | Circumcenter |
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| d. | Centroid |
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