The 6th one 2
(b) ANR is a right angled triangle
(c) the points R Q, R are collinear
(d) None of these
6. If the sum of the slopes of the lines given by x
then c has the value :
2
2 O is four times their product,
— 2c-xy — 7y
2
7. A Piece ofcheese is located at (12, 10) in a coordinate plane. A mouse is at (4,—2) and is running
up the lane y = -5x + 18 At the point (a, b), the mouse starts getting farther from the
rather than closer to it. The value of (a + b) is:
(b) 10
(d) 14
rye vertex of right angle ofa right angled triangle lies on the straight line 21 + y —10 = O e
he two other veråces, at points (2, —3) and (4, 1) then the area of triangle in sq. unis is.
33
5
(d) 11
ren rhe family of lines, a(2x+Y + 4) + b(x—2y — 3) = O. Among the lines of the
of lines situated at a distance of from th
