1

### IIT-JEE 2001 Screening

The number of integer values of $$m$$, for which the $$x$$-coordinate of the point of intersection of the lines $$3x + 4y = 9$$ and $$y = mx + 1$$ is also an integer, is
A
2
B
0
C
4
D
1
2

### IIT-JEE 2000 Screening

The incentre of the triangle with vertices $$\left( {1,\,\sqrt 3 } \right),\left( {0,\,0} \right)$$ and $$\left( {2,\,0} \right)$$ is
A
$$\left( {1,\,{{\sqrt 3 } \over 2}} \right)$$
B
$$\left( {{2 \over 3},\,{1 \over {\sqrt 3 }}} \right)$$
C
$$\left( {{2 \over 3},\,{{\sqrt 3 } \over 2}} \right)$$
D
$$\left( {1,\,{1 \over {\sqrt 3 }}} \right)$$
3

### IIT-JEE 2000 Screening

Let $$PS$$ be the median of the triangle with vertices $$P(2, 2),$$ $$Q(6, -1)$$ and $$R(7, 3).$$ The equation of the line passing through $$(1, -1)$$ and parallel to $$PS$$ is
A
$$2x - 9y - 7 = 0$$
B
$$2x - 9y - 11 = 0$$
C
$$2x + 9y - 11 = 0$$
D
$$2x + 9y + 7 = 0$$
4

### IIT-JEE 1999

If $${x_1},\,{x_2},\,{x_3}$$ as well as $${y_1},\,{y_2},\,{y_3}$$, are in G.P. with the same common ratio, then the points $$\left( {{x_1},\,{y_1}} \right),\left( {{x_2},\,{y_2}} \right)$$ and $$\left( {{x_3},\,{y_3}} \right).$$
A
lie on a straight line
B
lie on an ellipse
C
lie on a circle
D
are vertices of a triangle

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