If (x+3):40::12:20, what is the value of x?
Show answer & explanation
Correct answer: B
Explanation
(x + 3) : 40 :: 12 : 20
(x + 3)/40 = 12/20
(x + 3)/40 = 3/5
x + 3 = 24
x = 21
SSC GD Constable - 28 April 2026 - Shift 1 • Quantitative Aptitude • Q60
If (x+3):40::12:20, what is the value of x?
Correct answer: B
Explanation
(x + 3) : 40 :: 12 : 20
(x + 3)/40 = 12/20
(x + 3)/40 = 3/5
x + 3 = 24
x = 21