A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they again at the starting point?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
3 (46 minutes 12 seconds)
বিস্তারিত ব্যাখ্যা ও বিশ্লেষণ:
Solution:
LCM of 252, 308 and 198 = 2772
Hence, they all will be again at the starting point after 2772 seconds. or 46 minutes 12 seconds.