SarkariPYQ

SSC Selection Post 2022 PYQ — Question 72

SSC Selection Post - Matriculation Level 2022 - 2 Feb 2022 - Shift 1 • Quantitative Aptitude • Q72

Back to paper

The fourth proportional to 10.8, 3.6 and 20.4 is:

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. 6.8

fourth proportional (d) = b×ca​\frac{b \times c}{a}​

⇒ d = 3.6×20.410.8\frac{3.6 \times 20.4}{10.8} = 6.8