RRB NTPC · Question 30
Find the fourth proportional to 2, 3, 6.
Show answer & explanation
Answer: (A) 9
Explanation
The fourth proportional x satisfies 2 : 3 = 6 : x, so x = 3 × 6 / 2 = 9.
Railways PYQCBT 2 2017
RRB NTPC · Question 30
Answer: (A) 9
The fourth proportional x satisfies 2 : 3 = 6 : x, so x = 3 × 6 / 2 = 9.