SSC CHSL 2020 PYQ — Question 75

SSC CHSL - 15th October 2020 - Shift 3 • Quantitative Aptitude • Q75

The fourth proportional to 10, 12, 15 is:

Show answer & explanation

Correct answer: C

Explanation

The correct answer is Option 3 i.e 18.

Understanding/Application

Let the fourth proportional to 10, 12, 15 be x.

10/12 = 15/x

10x = 180

x = 18

Thus, the fourth proportional is 18.