Solve the following problem using two va...

Solve the following problem using two variables: Sum of the present ages of Manish and Savita is 33. Manish's age 3 years ago was 4 times the age of Savita. Find their present ages.

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Sum of the present ages of Manish and Savita is 31. Manish’s age 3 years ago was 4 times the age of Savita. Find their present ages.

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CHETANA PUBLICATION-Linear equations in two variables-EXERCISE

Solve the following problem using two variables: Sum of the present ag...
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To draw graph of 4x+5y=19,find y when x=1. Options: a) 4 b) 3 c) 2 d) ...
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Find the value of: |(5,3),(-7,-4)| a) -1 b) -41 c) 41 d) 1
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To solve x+y=3,3x-2y-4=0 by determinant method, find D.
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ax+by=c and mx+ny=d and an ne bm then these simultaneous equations hav...
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The general form of linear equation in two variables is: a) ax+b=0 b...
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…………...........is one of the solution of equation 3x-5y=10 : a) (0,2) ...
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If 12x+13y=29 and 13x+12y=21 then the value of x+y is
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Express the following information in mathematical form using x and y v...
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Write Dx for the following simultaneous equations 3x+4y=8,x-2y=5 a) |(...
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………………..is the solution of given simultaneous equation x-y=7,x+y=11 a)...
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When we consider two linear equations in two variables, such equations...
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………….is not a linear equation in two variables. a)x+7y=1 b)3x+4y-xy=0 ...
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The linear equation in two variables is…………..a)3x+9=sqrt 2y+2 b)3x-4y+...
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The pair of simultaneous equations from the following is…………………(1)2x+2...
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Equation of X axis is……………..a)x=0 b)y=0 c)x=b d)y=a
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The co-ordinates of the point of origin are……………a)(0,0) b)(1,0) c)(0,1...
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If the value of the determinant |(m,-2),(2,1)| is 7, then value of m i...
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x and y are the dimensions of a rectangle and its perimeter is 64. Thi...
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The value of determinant |(5,2),(7,4)| is…………..a)6 b)-6 c)34 d)-34
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