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29, The four tutinérs ; started theit race from, , a single point on a citculat path. He took, 200 secotids, 300 seconds, 360 sécondg aid 450 seconds respectively to’, complete a round of that path., , Accordingly,. how much time. will they, , be able. to meet again at their initial point, , for the first time? 7, , a (A) 1800 Sec. od @B). 3600 sec ,, , 30., , (C) 2400 sec a -D) 4800 sec, The HCE of two numbers i is: 1 and the, , LCM is 7700... If one. of them is:275,, , then how. much i is the other? -°, , (A) 279 2282 8B) a Serine, (C)3 08: (DY 318">

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31., , eye, , The LCM of three ‘different numbers is, 120. Accordingly, which of the following, , : numbers | cannot; be ine a of those, , I, , . numbers? eile oeks a, — (A)8 wah “@) 2., “4@): 24 ee @) 35,, The iraffic-related a lights at three different, , as crossroads change ‘color after 24 seconds,, , 36 seconds and 54 seconds respectively., If all three of them change color together, , - at 10: LS: 00 am, what time will the three, , of. them change color n next time?, (A) 10:16: 54 am, , /(B) 10: 18 : 36 am, (C) 10:17:02 am |, (D) 10:22:12 am