IMO- Mathematics Olympiad (SOF) Class 7: Questions 637 - 641 of 1012
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Question number: 637
» Practical Geometry - Lines and Angles
Question
The complement of an acute angle is ________angle.
Choices
Choice (4) | Response | |
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a. | Acute |
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b. | Right |
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c. | A straight |
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d. | Obtuse |
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Question number: 638
Question
In a jungle, total animals are 240. The number of elephants is of the number of other animals. How many elephants are there in the jungle?
Choices
Choice (4) | Response | |
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a. | 40 |
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b. | 60 |
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c. | 100 |
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d. | 50 |
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Question number: 639
Question
Two buses start at the same point on a straight highway facing opposite directions. Each bus drives 5 miles take a left turn and drives 12 miles. How far apart are the two buses?
Choices
Choice (4) | Response | |
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a. | 26 miles |
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b. | 30 miles |
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c. | 24 miles |
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d. | 21 miles |
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Question number: 640
Question
The three angles of a triangle are in the ratio 2: 4: 2, then the greatest angle is ________.
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Choice (4) | Response | |
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b. |
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c. |
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d. |
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Question number: 641
» Practical Geometry - Lines and Angles
Question
In the figure (not drawn to scale), ABCD is rhombus and BD is diagonal. Find .
Image Made by a Rhombus and Diagonal BD
Showing an image made by a rhombus and diagonal BD, so find angle BCD
Choices
Choice (4) | Response | |
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b. |
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c. |
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d. |
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