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CBSE Notes 2011-2012 » X-Maths-Term1

# Pair of Linear Equations in Two Variables

## The father's age is six times his son's age. Four years hence, the age of the father will be four ti...

Multiple choice question

The father's age is six times his son's age. Four years hence, the age of the father will be four times his son's age. The present ages, in years, of the son and the father are, respectively

## A pair of linear equations which has a unique solution x = 2, y = - 3 is

Multiple choice question

A pair of linear equations which has a unique solution x = 2, y = - 3 is

## The value of k for which the lines 3x + 4y = 5,5x + 4y = 4 and kx + 4y = 6 meet at a point is

Multiple choice question

The value of k for which the lines 3x + 4y = 5,5x + 4y = 4 and kx + 4y = 6 meet at a point is

## The equations ax + by + c = 0 anddx+ey +c = 0 represent the same straight line if

Multiple choice question

The equations ax + by + c = 0 anddx+ey +c = 0 represent the same straight line if

## The pair of equations ax + 2y = 7 and 3x + by = 16 represent parallel lines if

Multiple choice question

The pair of equations ax + 2y = 7 and 3x + by = 16 represent parallel lines if

## The value of a for which the lines x = 1, y = 2 and ax + 2y - 6 =0 are concurrent is

Multiple choice question

The value of a for which the lines x = 1, y = 2 and ax + 2y - 6 =0 are concurrent is