Mathematics
An observer at point E, which is at a certain distance from the lamp post AB, finds the angle of elevation of top of lamp post from positions C, D and E as α, β and γ. It is given that B, C, D and E are along a straight line.
Which of the following conditions is satisfied ?
tan α > tan β
tan β < tan γ
tan γ > tan α
tan α < tan β
Related Questions
The three vertices of a scalene triangle are always equidistant from a fixed point. The point is :
Orthocenter of the triangle
Incenter of the triangle
Circumcenter of the triangle
Centroid of the triangle
In a circle with radius R, the shortest distance between two parallel tangents is equal to :
R
2R
2πR
πR
(i) Shares of company A, paying 12%, ₹ 100 shares are at ₹ 80.
(ii) Shares of company B, paying 12%, ₹ 100 shares are at ₹ 100.
(iii) Shares of company C, paying 12%, ₹ 100 shares are at ₹ 120.
Shares of which company are at premium ?
Company A
Company B
Company C
Company A and C
Which of the following equations represents a line passing through origin ?
3x - 2y + 5 = 0
2x - 3y = 0
x = 5
y = -6