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Sum of the present ages of two friends are 23 years, five years ago product of their ages was 42. Find their ages 5 years hence.

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VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-EXERCISE
  1. Sum of squares of two consecutive even numbers is 580. Find the number...

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  2. Sum of the areas of two squares is 850m^2. If the difference if their ...

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  3. Sum of the present ages of two friends are 23 years, five years ago pr...

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  4. If a number when increased by 12, equals 160 times of its reciprocal, ...

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  5. A train travels 360 km at a uniform speed. If the speed had been 5 km/...

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  6. Write the roots of quadratic equation ax^2+bx+c=0 when b^2-4ac>0.

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  7. Write the two roots of quadratic equation ax^2+bx+c=0 when b^2-4ac=0 i...

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  8. Find a quadratic polynomial with zeroes -2 and 1/3.

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  9. Find the roots of the equation 5x^2-7x-6=0 by the method of completing...

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  10. The quadratic polynomial, whose zeros are 2 and 3, is…..

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  11. Observe the given rectangular figure, then its area in polynomial func...

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  12. Which of the following is a quadratic equation?

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  13. Observe the following graphs. Which of them are the graphs of quadrati...

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  14. Which of the following quadratle. Equations the roots are equal?

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  15. The quadratic polynomial having 1/3 and 1/2 as its zeroes, is…..

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  16. If x^(2) - px + q = 0 (p,q in R and p ne 0, q ne 0) has distinct real ...

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  17. In a quadratic equation ax^(2) + bx + c = 0 "if" b^(2) - 4ac gt 0 then...

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  18. If a number is 132 smaller than its square, then the number is

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  19. If both roots are common to the Quadratic equations x^2-4 = 0 and x^2 ...

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  20. The sum of the roots of 6x^2 = 1 is

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