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The sum of two numbers is 20 and the sum...

The sum of two numbers is 20 and the sum of their reciprocals is `(5)/(24)`. Find the numbers.

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VK GLOBAL PUBLICATION-QUADRATIC EQUATIONS-PROFICIENCY EXERCISE Short Answer Questions-II
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  2. Find the roots of the following quadratic equations by the factorisati...

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  3. The sum of two numbers is 20 and the sum of their reciprocals is (5)/(...

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  4. The difference of squares of two numbers is 88. If the larger number i...

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  5. The sum of the reciprocals of Rehmans ages, (in years) 3 years ago an...

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  6. If one root of the quadratic equation 2x^2+k x-6=0 is 2, find th...

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  7. If the roots of the equation (a^2+b^2)x^2-2(a c+b d)x+(c^2+d^2)=0 are ...

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  8. The difference of two natural numbers is 3 and the difference of th...

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  9. Seven years ago Varuns age was five times the square of Swatis age. ...

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  10. The area of a right angled triangle is 165m^2 . Determine its base and...

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  11. Is it possible to design or rectangular park of perimeter 40 m and are...

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  12. Determine the condition for the roots of the equation ax^(2)+bx+c=0 to...

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  13. Show that the equation 2(a^2+b^2)x^2+2(a+b)x+1=0 has not real roots, w...

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  14. Find the value of k for which the equation x^(2)-2(1+3k)x+7(3+2k)=0 ha...

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  15. Find the roots of the equation: x^2+200x+9975=0

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  16. If 1 is a root of the quadratic equation x^(2)+px-2=0 and the quadrati...

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  17. Find the non-zero value of k for which the quadratic equations kx^2+1-...

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  18. Find whether the following equations have real roots. If real roots ex...

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  19. Find whether the following equations have real roots. If real roots ex...

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  20. Find whether the following equation have real roots. If real roots exi...

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