GM and HM of two numbers are 10 and 8 respectively. The numbers are
5, 20
4, 25
2, 50
1,100
A.
5, 20
Given, GM = 10 and HM = 8
On solving Eqs. (i) and (ii) a = 5, b = 20
The straight line 3x + y divides the line segment joining the points (1, 3) and (2, 7) in the ratio
3 : 4 externally
3 : 4 internally
4 : 5 internally
5 : 6 externally
If the sum of distances from a point P on two mutually perpendicular straight lines is 1 unit, then the locus of P is
a parabola
a circle
an ellipse
a straight line