ABC26GN0538 · H.C.F. and L.C.M. of Numbers

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

The smallest fraction, which each of $\frac{6}{7}, \frac{5}{14}, \frac{10}{21}$ will divide exactly is
(a)$\frac{30}{7}$
(b)$\frac{30}{98}$
(c)$\frac{60}{147}$
(d)$\frac{50}{294}$
Answer
Answer (as printed): A
Explanation
Required fraction $$=\text { L.C.M. of } \frac{6}{7}, \frac{5}{14}, \frac{10}{21}=\frac{\text { L.C.M. of } 6,5,10}{\text { H.C.F. of } 7,14,21}=\frac{30}{7} \text {. }$$

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

Open in whiteboard · Browse this chapter in the app