Three numbers are in the ratio 1: 2: 3 and their H.C.F. is 12. The numbers are · ABC26GN0482
Subject: General Aptitude · Chapter: H.C.F. and L.C.M. of Numbers
Three numbers are in the ratio 1: 2: 3 and their H.C.F. is 12. The numbers are
(a)4, 8, 12
(b)5, 10, 15
(c)10, 20, 30
(d)12, 24, 36
Answer
Answer (as printed): D
Explanation
Let the required numbers be $x, 2 x$ and $3 x$. Then, their H.C.F. $=x$. So, $x=12$. $$\therefore \quad \text { The numbers are } 12,24 \text { and } 36 .$$
Explanation as extracted from the printed page; notation may be imperfect.