SSC GD 2019 PYQ — Question 59

SSC GD Constable (English) - 13 Feb 2019 Shift 1 • Quantitative Aptitude • Q59

The ratio of the areas of two triangles is 1 : 2 and the ratio of their bases is 3 : 4. What will be the ratio of their height?

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 2 : 3.

Understanding/Application

Let the bases of the triangles be 3x and 4x units.

Heights of the triangles be a and b units respectively

Ratio of their areas = (3x × a)/2 : (4x × b)/2 = 3a : 4b

Given - 3a : 4b = 1 : 2

3a/4b = 1/2

6a = 4b

a/b = 4/6 = 2/3

a : b = 2 : 3