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If the cost of an apple is increased by Rs.1 per piece, then one can get 2 apples less for Rs. 840 . Find the original cost of one apple .

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UNIQUE PUBLICATION-QUADRATIC EQUATIONS -UNIQUE PRACTICE SESSION
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  2. If alpha " and " beta are the roots of the quadratic equation x^2 -5x ...

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  3. The difference of roots is 9 and the sum of their square is 13. find t...

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  4. The sum of the squares of two consecutive odd natural numbers is 290 ...

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  5. Solve the quadratic equation 5x^4 - 22x^2 +8=0

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  6. Three sides of right angled triangle are three consecutive even number...

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  7. Solve the equation (p^2 +p)(p^2 + p -3) = 28

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  8. The denominator of a fraction exceeds its numerator by 2. If one is ad...

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  9. Solve the quadratic equation x^2+8x +15 =0 by the method of completing...

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  10. Solve 9m^2 -12 m +2 =0 by the method of completing square .

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  11. Solve the following equation 4y^2 + 6/y^2 =11

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  12. Solve 5x^2 - 4x -3 =0

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  13. The area of a rectangular playground is 420 sq.m. If its length is inc...

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  14. Four - fifths of a number is greater than three fourths of the number ...

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  15. If the cost of an apple is increased by Rs.1 per piece, then one can g...

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  16. The product of four consecutive positive integers is 840. Find the num...

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  17. The divisor and quotient of the number 6123 are same and the remainder...

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  18. The difference between two positive integers is 2 and difference betwe...

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  19. There is a rectangular onion storehouse in the farm of Mr. Ratnakarrao...

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  20. Solve the following questions. (ii) A train travels 360 km with unif...

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