IMO- Mathematics Olympiad (SOF) Class 10: Questions 453 - 459 of 958
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Question number: 453
Question
The mean of is ________
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Question number: 454
Question
Area of quadrilateral formed by the vertices is ________
Choices
| Choice (4) | Response | |
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| a. | 8 sq. units |
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| b. | 10 sq. units |
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| c. | 9 sq. units |
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| d. | 7 sq. units |
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Question number: 455
Question
The average of 6 number is 40. If one of the numbers is excluded, the mean gets reduced by 5. Then the excluded number is ________
Choices
| Choice (4) | Response | |
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| a. | 65 |
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| b. | 35 |
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| c. | 55 |
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| d. | 45 |
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Question number: 456
Question
Four vertices of a parallelogram taken in order are. What will be the ratio of a and b?
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| Choice (4) | Response | |
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| b. | 3: 1 |
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| c. | 2: 1 |
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| d. | 3: 4 |
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Question number: 457
Question
A Train maintains an average speed of 40 km/hr while going from L to M and maintains an average speed of 60 km/hr while coming back from M to L. the average speed of the bus is ________.
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Question number: 458
Question
Points are joined to form a quadrilateral. What will be the structure of quadrilateral?
Choices
| Choice (4) | Response | |
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| a. | Parallelogram |
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| b. | Rectangle |
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| c. | Square |
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| d. | Rhombus |
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Question number: 459
Question
If are the midpoints of the sides of , the area of the triangle is ________
Choices
| Choice (4) | Response | |
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| a. | 96 sq. units |
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| b. | 24 sq. units |
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| c. | 48 sq. units |
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| d. | 50 sq. units |
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