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Seven years ago Varun’s age was five tim...

Seven years ago Varun’s age was five times the square of Swati’s age. Three years hence Swati’s age will be two fifth of Varun’s age. Find their present ages.

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RD SHARMA ENGLISH-QUADRATIC EQUATIONS-All Questions
  1. One year ago, a man was 8 times as old as his son. Now his age is equa...

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  2. A girl is twice as old as her sister. Four years hence, the product of...

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  3. Seven years ago Varun’s age was five times the square of Swati’s age. ...

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  4. While boarding an aeroplane, a passenger got hurt. The pilot showing p...

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  5. While boarding an aeroplane, a passenger got hurt. The pilot showing p...

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  6. A motor boat whose speed is 18 km/h m still water takes 1 hour more...

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  7. about to only mathematics

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  8. Solve for: 4/x-3=5/(2x+3),x!=0,,-3/2

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  9. Solve for x: (x-4)/(x-5)+(x-6)/(x-7)=10/3; x!=5,7

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  10. Solve for : (5+x)/(5-x)-(5-x)/(5+x)=3 3/4; x!=5,-5

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  11. Solve for : 3/(x+1)-1/2=2/(3x-1),x!=3/5,-1/7

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  12. Solve for : 2/(x+1)+3/(2(x-2))=(23)/(5x);x!=0,-1,2

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  13. Find the roots of the following equation 4x^2+4b x-(a^2-b^2)=0 by the ...

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  14. Find the roots of the equation a^2x^2-3a b x+2b^2=0 by the method of c...

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  15. Solve the equation x^2-(sqrt(3)+1)x+sqrt(3)=0 by the method of complet...

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  16. Find the roots of the quadratic equations (if they exist) by the metho...

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  17. Find the roots of the quadratic equations (if they exist) by the metho...

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  18. If the roots of the equation x^2+2c x+a b=0 are real unequal, prove th...

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  19. If p , q , ra n ds are real numbers such that p r=2(q+s), then show th...

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  20. Find the values of k for which the equation x^2+5k x+16=0 has no real ...

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