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1.
Using the following equations:
[latex]\frac{4}{x}[/latex] + 6y = 10
[latex]\frac{1}{x}[/latex] - 6y = 5
find the value of p if p = 5x.
[latex]\frac{4}{x}[/latex] + 6y = 10
[latex]\frac{1}{x}[/latex] - 6y = 5
find the value of p if p = 5x.
2.
The equations ax + by + c = 0 and dx + ey + c = 0 represent the same straight line if
3.
The difference between a two digit number and the number obtained by interchanging the digits is 27. What is the difference betw een the two digits of the number?
4.
The pair of equations ax + 2y = 7 and 3x + by = 16 represent parallel lines if
5.
If x = a, y = b is the solution of the pair of equations x - y = 2 and x + y = 4, then the respective values of a and b are
6.
The father's age is six times of his son's age. Four years hence, the age of the father will be four times of his son's age. The present ages, in years, of the son and the father are, respectively.
7.
A pair of linear equations which has a unique solution x = 2, y = -3 is
8.
The pair of equations x = 4 and y = 3 graphically represents lines which are
9.
The pair of equations x = a and y = b graphically represents lines which are
10.
The pair of equations y = 0 and v = -7 has