Two numbers are in the ratio of 3: 4. Their L.C.M. is 84. Find the numbers. · ABC26GN0430

Subject: General Aptitude · Chapter: H.C.F. and L.C.M. of Numbers · Exam: S.S.C. 2010

Two numbers are in the ratio of 3: 4. Their L.C.M. is 84. Find the numbers.

Answer

No answer key was printed for this question.

Explanation

Let the numbers be $3x$ and $4x$. Then, their L.C.M. $=12x$. So, $12x=84$ or $x=7$. $\therefore$ The numbers are 21 and 28.

Explanation as extracted from the printed page; notation may be imperfect.

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