IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 637 - 641 of 1022
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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 | |
|---|---|---|
a. | A straight | |
b. | Acute | |
c. | Right | |
d. | Obtuse | |
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 | |
|---|---|---|
a. | 40 | |
b. | 100 | |
c. | 60 | |
d. | 50 | |
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 | |
|---|---|---|
a. | 26 miles | |
b. | 30 miles | |
c. | 24 miles | |
d. | 21 miles | |
Question number: 640
Question
The three angles of a triangle are in the ratio 2: 4: 2, then the greatest angle is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
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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
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
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b. |
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c. |
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d. |
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