IMO- Mathematics Olympiad Class 10: Questions 399 - 405 of 908
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Question number: 399
Question
One card is drawn from a well-shuffled deck of 52 cards the probability of neither a Club nor a king is ________
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Question number: 400
Question
The mean of six numbers is 15. If one number is excluded, then their mean is 17, the excluded number is ________
Choices
| Choice (4) | Response | |
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| a. | 7 |
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| b. | 4 |
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| c. | 1 |
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| d. | 5 |
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Question number: 401
Question
If are the vertices of a right angle triangle, right angle at P, then a is ________
Choices
| Choice (4) | Response | |
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| a. | 11 |
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| b. | 6 |
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| c. | 10 |
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| d. | 12 |
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Question number: 402
Question
Find the area of triangle if the coordinates of vertices are is ________
Choices
| Choice (4) | Response | |
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| a. | 3 sq. units |
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| b. | 5 sq. units |
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| c. | 9sq. units |
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| d. | 8sq. units. |
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Question number: 403
Question
Find the area of triangle if the coordinates of vertices are is ________
Choices
| Choice (4) | Response | |
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| a. | 3 sq. units |
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| b. | 5 sq. units |
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| c. | 4 sq. units |
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| d. | 7 sq. units |
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Question number: 404
Question
Two dice are thrown at a time. The probability that the difference of the numbers shown on the dice is 2 is ________
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Question number: 405
Question
The mean of 20 observations is . if each observation is multiplied by 2, then what is the new mean?
Choices
| Choice (4) | Response | |
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| a. | 60 |
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| b. | 30 |
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| c. | 70 |
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| d. | 50 |
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