IMO- Mathematics Olympiad Class 9: Questions 460 - 464 of 919
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Question number: 460
Question
What change in percent is made in the area of a rectangle by increases its length and decreasing its breadth by?
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Question number: 461
» Analytical Reasoning and Logical Reasoning
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Gaurav walks 20 meters towards North. He then turns left and walks 40 meters. He again turns left and walks 20 meters. Further, he moves 20 meters after turning to the right. How far is he from his original position?
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| a. | 50 meters |
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| b. | 30 meters |
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| c. | 60 meters |
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| d. | 20 meters |
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Question number: 462
» Linear Equations in Two Variables
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The taxi fare in a city is a follows: for the first kilometer, the fare is Rs. 8 and for the subsequent distance it is Rs. 5 per kilometer. Taking the distance covered as x km and total fare as Rs. y, a linear equation for this information is ________.
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Question number: 463
Question
Two dice are thrown. What is the probability of obtaining a total of 10 or 11?
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Question number: 464
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