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Sita has pencils and pens which are toge...

Sita has pencils and pens which are together 40 in number. If she has 5 less pencils and 5 more pens the number of pens become four times the number of pencils. Represent this situation in a linear equation form.

A

`x-y=40`

B

`x+y=40`

C

`x-y=7`

D

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VGS PUBLICATION-BRILLIANT-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. 500x+240y=8,130x+240y=(43)/(10) then x=………..

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  2. The pair of equations a1x+b1y+c1=0" and "a2x+b2y+c2=0 are consistent, ...

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  3. Sita has pencils and pens which are together 40 in number. If she has ...

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  4. If (a1)/(a2)=(b1)/(b2)=(c1)/(c2) then the lines are………lines.

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  5. The lines represented by 5x+7y-14=0 and 10x+3y-8=0 are …………lines.

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  6. The standard form of a linear equations is………

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  7. The lines 3x+8y-13=0 and -6x-16y+23=0 are………lines.

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  8. The lines represented by 5x+3y-7=0 and 6y+10x-14=0 are………lines.

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  9. The pairs of equations 4x-2y+6=0 and 2x-y+8=0 has………solutions.

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  10. The number of solutions to the pair of equations 6x-7y+8=0 and 12x-14y...

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  11. The number of solutions to the pair of equations 11x-7y=6 and 4x+9y=8 ...

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  12. If the pair of equations kx+14y+8=0 and 3x+7y+6=0 has a unique solutio...

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  13. a1x+b1y+c1=0" and "a2x+b@y+c2=0 are……..equations.

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  14. If (a1)/(a2)=(b1)/(b2)=(c1)/(c2) then the lines will have………solutions.

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  15. 3x-2y+6=0,6x-4y+8=0 represents……….lines.

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  16. 5x-2y-10=0,10x-4y-20=0 these are………lines.

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  17. The number of solutions to 4x+6y-7=0 and 8x+5y-8=0 is………

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  18. (2)/(x)+(3)/(y)=2,(12)/(x)-(9)/(y)=3 then x=………

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  19. (2)/(x)+(3)/(y)=2,(12)/(x)-(9)/(y)=3 In the above problem y= …….

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  20. The lines x=5y passes through…………

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