IMO- Mathematics Olympiad Class 10: Questions 264 - 269 of 958
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Question number: 264
Question
In the equation, the sum of the roots is 3 and the product of the roots is 25. Then h and k respectively, have the values ________
Choices
| Choice (4) | Response | |
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| a. | -9 and 5 |
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| b. | -9 and -5 |
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| c. | 9 and 5 |
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| d. | 9 and -5 |
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Question number: 265
Question
If one roots of is twice the other root, and then the value of ‘b’ is ________
Choices
| Choice (4) | Response | |
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| a. | 3 |
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| b. | -9 |
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| d. | 9 |
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Question number: 266
Question
Solve the equation by using quadratic formula, then x is ________
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Question number: 267
Question
A convex polygon has 90 diagonals. The number of its sides is ________
Choices
| Choice (4) | Response | |
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| a. | 19 |
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| b. | 15 |
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| c. | 14 |
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| d. | 10 |
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Question number: 268
Question
One of the two students, while solving a quadratic equation in x, copied the constant term incorrectly and got the roots 4 and 5. The other copied the constant term and coefficient of correctly as and respectively. The correct roots are
Choices
| Choice (4) | Response | |
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| a. | 5, 4 |
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Question number: 269
Question
Two numbers whose sum is 10 and absolute value of whose difference is 4 are the roots of the equation ________
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