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A two digit number is such that the prod...

A two digit number is such that the product of its digits, is 8. When 18 is added to the number, they interchange their places. Determine the number.

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VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-EXERCISE
  1. Is it possible to desigh a rectangular park of perimeter 80m and area ...

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  2. Some points are plotted on a plane. Each point is joined with all rema...

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  3. A two digit number is such that the product of its digits, is 8. When ...

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  4. A piece of wire 8m in length is cut into two pieces and each piece is ...

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  5. Vinay and Praveen working together can paint the exterior of a house i...

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  6. Show that the sum of roots of a quadratic equation ax^(2)+bx+c=0 (a ne...

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  7. Show that the product of the roots of a quadratic equation ax^(2)+bx+c...

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  8. The denominator of a fraction is one more than twice the numerator. If...

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  9. Verify that 1 and 3/2 are the roots of the equation 2x^(2) - 5x + 3 = ...

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  10. If b^(2) - 4ac gt 0 "in" ax^(2) + bx + c = 0, then what can you say a...

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  11. Find the value of k, if 2 is one of the roots of the quadratic equatio...

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  12. In a rectangle ABCD, AB = x + y, BC = x - y, CD = 9 and AD = 3. Find t...

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  13. Write the nature of roots of the quadratic equation 2x^(2) - 5x + 6 = ...

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  14. Write the nature of the roots of the quadratic equationx^(2) - 8x + 16...

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  15. Find sum and product of roots of the Quadratic equation x^(2) 4 sqrt...

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  16. Find the roots of the Quadratic equation x^2+2x-3=0.

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  17. Find the values of k for which the quadratic equation 4x^2+5kx+25=0 ha...

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  18. Find the discriminant of the quadratic equation 3x^2 - 5x + 2 = 0 and ...

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  19. If 9x^(2) + kx + 1 = 0 has equal roots, find the value of k.

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  20. If the measure of angles of a triangle are x^(@), y^(@) and 40^(@) and...

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