SSC CHSL 2022 PYQ — Question 56

SSC CHSL - 24 May 2022 - Shift 2 • Quantitative Aptitude • Q56

Find the mean proportion of 3 and 27. 

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 9.

The mean proportion of a and b is given by ab \sqrt ab

Therefore, the mean proportion of 3 and 27 is

⇒ (3×27)\sqrt{(3 × 27)}  = 9