Question

The diagram shows the blocks of different colors. A boy has arranged & looking the side view, front view & top view

(i) The distance of the point from y – axis is called
Ordinate
Absicca
Origin
None of these

(ii) Refer the Front View, The distance between the point P and O (Origin) is
(a) 2√5
(b) 20
(c) √29
(d) None of these

(iii) Refer to Top View, The mid-point joining the points J and Q are
(a) (-5, 3)
(b) (-4, 4)
(c) (-4.5, 2.5)
(d) (2.5, -4.5)

(iv) Refer to Side View, Find the coordinates of the point which divides the line segment joining the points S and L in the ratio 1:3 internally.
(a) (11/4, -9/2)
(b) (-9/2, 11/4)
(c) (5/4, -5/7)
(d) None of these

(v) Refer to the Side View, Find the relation between x and y such that the point A (x, y) is equidistant from the point S (2, -5) and L (5, -3).
(a) 6x + 4y = 5
(b) 2x – 3y = -5
(c) -6x + 4y = 5
(d) None of these

23df2018284664210a626332a12e64b1.docx

Answer 1

(1) Ordinate

(2) distance between P(4,2) and Origin(0,0)

=》 [ (4-0)^2 + (2-0)^2 ] ^(½)

=》 20^½ = 2(5)^½

(3) c. (-4.5,2.5)

(4) L (5,-3) and S(2,-5) m:n = 1:3

Let the coordinates of that point be (X,Y)

X = [ (1×2 + 3×5)/(1+4) ] = (17/5)

Y = [ (1×-5 + 3×-3)/(1+4) ] = (-14/5)

So the point is {17/5, -14/5} ..i.e. not given in any of the options.

(5) In photo ..6x +4y = 5