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Ls the following situation possible? If so, determine their present ages, The sum of the ages of two friends is 20 years. Four years ago, the product of their ages in years was 43.

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PSEB-QUADRATIC EQUATIONS -EXERCISE
  1. Find the roots of the following quadratic equations if they exist, by ...

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  2. Find the roots of the following quadratic equations if they exist, by ...

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  3. Find the roots of the following equations :- x-1/x=3,x ne 0 .

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  4. Find the roots of the following equations :- 1/(x+4)-1/(x-7)=11/30,x n...

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

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  6. In a class test, the sum of Shefali's marksin Mathematics and English ...

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  7. The diagonal of a rectangular field is 60 metres more than the shorter...

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  8. The difference of squares of two numbers is 180. The square of the sma...

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

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  10. Two water taps together can fill a tank in 9 3/8 hours. The tap of la...

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  11. An express train takes 1 hour less than a passenger train to travel 13...

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  12. Sum of the areas of two squares is 468 m^2 . If the difference of thei...

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  13. Find the nature of the roots of the following quadratic equations. If ...

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  14. Find the nature of the roots of the following quadratic equations. If ...

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  15. Find the nature of the roots of the following quadratic equations. If ...

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  16. Find the values of k for each of the following quadratic equations, so...

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  17. Find the values of k for each of the following quadratic equations, so...

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  18. Is it possible to design a rectangular mango grove whose length is twi...

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  19. Ls the following situation possible? If so, determine their present ag...

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  20. Is it possible to design a rectangular park of perimeter 80 m and area...

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