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If 2x+y=5 and 3x-4y=2 , then the valu...

If `2x+y=5` and `3x-4y=2` , then the value of `2x y` is (a) 4 (b) 6 (c) 8 (d) 10

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Knowledge Check

  • If 2x + y = 35 and 3x + 4y = 6, then the value of (x)/(y) is

    A
    2
    B
    3
    C
    4
    D
    5

  • If 8x + 5y = 9, 3x + 2y = 4, then the value of x and y are

    A
    -2,5
    B
    1,1
    C
    5,-2
    D
    3, - 2

  • Find the value of x:y, if (8x-10y)/(3x+4y) = (4)/(5) .

    A
    `55:29`
    B
    `36:17`
    C
    `33:14`
    D
    `16:11`

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    If parabolas y^(2)=lambda x and 25[(x-3)^(2)+(y+2)^(2)]=(3x-4y-2)^(2) are equal,then the value of lambda is 9(b)3(c)7 (d) 6

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