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Sohan and Mohan are playing a chess on S...


Sohan and Mohan are playing a chess on Sunday. The chess board contains equal squares and the are of each equal square is `6.25 m^(2)`.
A border round the board is 2 cm wide.
For equation `ax^(2)+bx+c=0, x = (-b pm sqrt(b^(2)-4ac))/(2a)` is called the.......

A

Quadratic formula

B

Heron's Formula

C

Pythagoras formula

D

None of these

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OSWAL PUBLICATION-QUADRATIC EQUATIONS-SELF ASSESSMENT -1 (Case Study Based Questions:)
  1. A rectangular park is to be designed whose breadth is 3 m less than it...

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  2. A rectangular park is to be designed whose breadth is 3 m less than...

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  3. A rectangular park is to be designed whose breadth is 3 m less than it...

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  4. A rectangular park is to be designed whose breadth is 3 m less than it...

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  5. A rectangular park is to be designed whose breadth is 3 m less than it...

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  6. In the Dwarika residency colony, there is a circular park of diameter ...

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  7. In the Dwarika residency colony, there is a circular park of diameter ...

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  8. In the Dwarika residency colony, there is a circular park of diameter ...

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  9. In the Dwarika residency colony, there is a circular park of diameter ...

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  10. In the Dwarika residency colony, there is a circular park of diameter ...

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  11. A charity trust decides to build a prayer hall having a carpet area to...

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  12. A charity trust decides to build a prayer hall having a carpet area to...

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  13. A charity trust decides to build a prayer hall having a carpet area to...

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  14. A charity trust decides to build a prayer hall having a carpet area to...

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  15. A charity trust decides to build a prayer hall having a carpet area to...

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  16. Sohan and Mohan are playing a chess on Sunday. The chess board contain...

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  17. Sohan and Mohan are playing a chess on Sunday. The chess board contain...

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  18. Sohan and Mohan are playing a chess on Sunday. The chess board contain...

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  19. Sohan and Mohan are playing a chess on Sunday. The chess board contain...

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  20. Sohan and Mohan are playing a chess on Sunday. The chess board contain...

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