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The pair of simultaneous equations from the following is…………………(1)`2x+2y=7` (2)`4x+3z=9` (3)`3y+4z=8` (4)3z+9x=18 a)1 and 2 b)2 and 3 c)3 and 4 d)2 and 4

A

1 and 2

B

2 and 3

C

3 and 4

D

2 and 4

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The pair of simultaneous equations from the following is……………1)2x+2y=7 2)4x+3z=9 3)3y+4z=8 4)3z+9x=18 a)1 and 2 b)2 and 4 c)1 and 3 d)3 and 4

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CHETANA PUBLICATION-Linear equations in two variables-EXERCISE
  1. ………….is not a linear equation in two variables. a)x+7y=1 b)3x+4y-xy=0 ...

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  2. The linear equation in two variables is…………..a)3x+9=sqrt 2y+2 b)3x-4y+...

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  3. The pair of simultaneous equations from the following is…………………(1)2x+2...

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  4. Equation of X axis is……………..a)x=0 b)y=0 c)x=b d)y=a

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  5. The co-ordinates of the point of origin are……………a)(0,0) b)(1,0) c)(0,1...

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  6. If the value of the determinant |(m,-2),(2,1)| is 7, then value of m i...

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  7. x and y are the dimensions of a rectangle and its perimeter is 64. Thi...

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  8. The value of determinant |(5,2),(7,4)| is…………..a)6 b)-6 c)34 d)-34

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  9. If Dx=-18 and D=3 are values of determinant for certain simultaneous e...

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  10. Find m, if value of determinant |(m,2),(-5,7)| is 31. a)14 b)3 c)4 d)1...

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  11. If (a,3) lies on graph of equation 5x+2y=-4 then a=…………….a)2 b)-2 c)2/...

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  12. The simulataneous equations 3x+5y=16 and 4x-y=6 have……………a)unique solu...

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  13. If simultaenous equations do not have any solution,then their graph wi...

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  14. By Cramer's rule,the value of x is…………a)Dx/D b)Dy/D c) D/Dx d)D/Dy

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  15. Solve the following equations. 3x-y=2,5x-2y=1

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  16. Solve the following equations. 47x+31y=2,31x+47y=15

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  17. Solve the following equations. 4m+3n=18,3m-2n=5

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  18. Solve the following equations. 2x-3y=14,5x+2y=16

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  19. Solve the following equations. 1/3x+5y=13,2x+1/2 y=19

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  20. Solve the following equations. (1/3)x+(1/4)y=4,(5/6)x-(1/8)y=4

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