Product of Pragati's age 2 years ago and...

Product of Pragati's age 2 years ago and 3 years hence is 84. Find her present age.

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CHETANA PUBLICATION-Quadratic Equations-EXERCISE

Product of Pragati's age 2 years ago and 3 years hence is 84. Find her...
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Which one of the following is a quadratic equation? a)5/x-3=x^2 b)x(x+...
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Out of the following equations, which one is not a quadratic equation?...
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The roots of x^2+kx+k=0 are real and equal. Find K. a)0 b)4 c)0 or 4 d...
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For quadratic equation sqrt 2x^2-5x+sqrt2=0, find the value of the di...
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Which of the following quadratic equations has roots 3, 5? a)x^2-15x+3...
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Out of the following equations, find the equation having the sum of i...
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sqrt 5m^2-sqrt 5m+sqrt 5=0, Which of the following statement is true f...
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One of the roots of equation x^2+mx-5=0 is 2. Find m. a)-2 b)-1/2 c)1/...
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alpha, beta are roots of quadratic equation ax^2+bx+c=0. Then (alpha+b...
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The roots of the quadratic equation y^2-16y+63=0 are a)-9,-7 b)-9,7 c)...
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If the roots of a quadratic equation are real and equal, then Delta mu...
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If one root of quadratic equation kx^2-7x+12=0 is 3, then value of k i...
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If one root of quadratic equation is 1-sqrt3 then the other root is………...
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If the roots of ax^2+bx+c=0 are real and equal then.......a)b^2-4aclt0...
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The value of discriminant of the equation x^2+x+1=0 is…………..a)-4 b)-3 ...
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alpha, beta are roots of quadratic equation such that alpha+beta=-4 a...
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The standard form of quadratic equation x-5/x=3x-7 is……….a)2x^2-8x+7=0...
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What is the nature of roots of quadratic equation: 9x^2-12x+4=0? a)Rea...
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Three times the square of natural number is 363 is written in the math...
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Which of the following is not a quadratic equation? a)-5/3x^2=2x+9 b)(...
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