IMO- Mathematics Olympiad (SOF) Class 10: Questions 411 - 417 of 958
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Question number: 411
Question
Two dice are thrown simultaneously. The probability of getting a total 5,6 or 7 is ________
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Question number: 412
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The vertices of are. If XP is angle bisector, where P meets on YZ, then coordinates of P are ________
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Question number: 413
Question
The mean of five numbers is 18. If one number is excluded, then their mean is 16, the excluded number is ________
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| Choice (4) | Response | |
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| a. | 25 |
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| b. | 26 |
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| c. | 28 |
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| d. | 24 |
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Question number: 414
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Points are joined to form a quadrilateral. What will be the structure of quadrilateral?
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| Choice (4) | Response | |
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| a. | Square |
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| b. | Pentagon |
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| c. | Cross |
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| d. | Hexagon |
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Question number: 415
Question
The average age of 5 teachers is 28 years. If one teacher is excluded the mean gets reduced by 2 years. The age of the excluded teacher is ________
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| Choice (4) | Response | |
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| a. | 33 years |
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| b. | 36 years |
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| c. | 35 years |
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| d. | 26 years |
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Question number: 416
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Two dice are thrown simultaneously. The probability of getting a doublet or a total of 8 is ________
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Question number: 417
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When two dice are thrown, the probability of getting a prime number as the sum is ________
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