Subject: General Aptitude · Chapter: H.C.F. and L.C.M. of Numbers · Exam: 2010 · Marks: · Difficulty:
Seema, Meena and Reema begin to jog around a circular stadium and they complete their revolutions in 54 seconds, 42 seconds and 63 seconds respectively. After how much time will they come together at the starting point?
Answer
Answer (as printed):
Explanation
L.C.M. of 54, 42 and 63 = 378. So, the three girls will come together at the starting point in 378 seconds, i.e., 6 min 18 sec.
Explanation as extracted from the printed page; notation may be imperfect.