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

For the pair of linear equations 2x + 3y = 5 and 4x + 6y = 10, the graphical representation will be:

If the lines given by 3x + 2ky = 2 and 2x + 5y + 1 = 0 are parallel, then the value of k is:

If x = a, y = b is the solution of the equations x - y = 2 and x + y = 4, then the values of a and b are, respectively:

The solution of the equations 2/x + 3/y = 13 and 5/x - 4/y = -2 is:

Aruna has only ₹1 and ₹2 coins. If the total number of coins she has is 50 and the total amount is ₹75, then the number of ₹1 and ₹2 coins are, respectively:

A boat goes 30 km upstream and 44 km downstream in 10 hours. In 13 hours, it can go 40 km upstream and 55 km downstream. The speed of the stream is:

The larger of two supplementary angles exceeds the smaller by 18 degrees. The angles are:

If a pair of linear equations is consistent, then the lines will be:

The solution of the equations x - y = 2 and x + y = 4 is:

A fraction becomes 1/3 when 1 is subtracted from the numerator. It becomes 1/4 when 8 is added to its denominator. The fraction is:

For the pair of equations kx + 3y - (k-3) = 0 and 12x + ky - k = 0 to have infinitely many solutions, the value of k is:

The graph of the equation 2x + 3y = 5 is a:

The sum of two numbers is 35 and their difference is 13. The numbers are:

The pair of equations x = a and y = b graphically represents lines which are:

The pair of equations y = 0 and y = -7 has:

For what value of k, do the equations 3x - y + 8 = 0 and 6x - ky = -16 represent coincident lines?

The value of c for which the pair of equations cx - y = 2 and 6x - 2y = 4 will have infinitely many solutions is: