Quantitative Aptitude

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21 The distance between the points A(5, -7) and B(2, 3) is:

A
 109
B
5√7
C
√109
D
None of these

22 P is a point on x-axis at a distance of 4 unit's from y-axis to it's right. The co-ordinates of P are:

A
(4, 0)
B
(0, 4)
C
(4, 4)
D
(-4, 4)

23 If the co – ordinates of a point are (3, – 7), then it's ordinate is:

A
– 7
B
3
C
– 3
D
7

24 The length of the median through A of  ΔABC with vertices A(7, – 3), B(5, 3) and C(3, – 1) is:

A
7 unit's
B
25 unit's
C
5 unit's
D
3 unit's

25 If the distance of the point P(x, y) from A(a, 0) is a + x, then y2 = ?

A
8ax
B
6ax
C
4ax
D
2ax

26 If one end of a diameter of a circle is (4, 6) and the centre is ( – 4, 7), then the other end is:

A
(8, – 12)
B
(8, – 6)
C
( – 12, 8)
D
(8, 10)

27 The distance of the point ( – 5, 12) from the y – axis is:

A
5 unit's
B
12 unit's
C
- 5 unit's
D
13 unit's

28 Find the value of ‘k’, if the point (0, 2) is equidistant from the points (3, k) and (k, 5)

A
1
B
– 1
C
0
D
2

29 The centroid of a triangle divides the median in the ratio

A
3 : 1
B
1 : 3
C
1:2
D
2 : 1

30 The values of ‘y’ for which the distance between the points (2, – 3) and (10, y) is 10 unit's is:

A
– 3, – 9
B
3, – 9
C
3, 9
D
– 3, 9