Mathematics
The median of the following observations arranged in ascending order is 64. Find the value of x :
27, 31, 46, 52, x, x + 4, 71, 79, 85, 90
60
61
62
66
Related Questions
The roots of the quadratic equation px2 - qx + r = 0 are real and equal if :
(a) p2 = 4qr
(b) q2 = 4pr
(c) –q2 = 4pr
(d) p2 > 4qr
Points A(x, y), B(3, -2) and C(4, -5) are collinear. The value of y in terms of x is ∶
3x - 11
11 - 3x
3x - 7
7 - 3x
The given table shows the distance covered and the time taken by a train moving at a uniform speed along a straight track.
Distance (in m) Time (in sec) 60 2 90 x y 5 The values of x and y are :
x = 4, y = 150
x = 3, y = 100
x = 4, y = 100
x = 3, y = 150