tag:blogger.com,1999:blog-3802979373213475425.post6434791730906782970..comments2024-03-17T20:25:54.267+05:30Comments on Critical Thinking Puzzles: Find the angleAnonymoushttp://www.blogger.com/profile/05634752405801576739noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-3802979373213475425.post-51933418576143729832012-01-18T23:49:51.513+05:302012-01-18T23:49:51.513+05:301 hr=30 deg.
so,from 4 to 7 it is 3 hr.
so total a...1 hr=30 deg.<br />so,from 4 to 7 it is 3 hr.<br />so total angle=30*3=90 deg.<br />Now,<br /> 1 hr=60min =30 deg.<br /> so,<br /> 60 min =30 deg.<br /> 20 min =((30*20)/60)=10 deg.<br /><br />so total angle for 7.20 is 90+10=100 deg.roushan parwejhttps://www.blogger.com/profile/13719305224357054219noreply@blogger.comtag:blogger.com,1999:blog-3802979373213475425.post-60361737313960275492009-04-03T12:58:00.000+05:302009-04-03T12:58:00.000+05:30we can do by this way too..This formula can be use...we can do by this way too..This formula can be used for most of the clock based problems<BR/>angle=(30*hours)~(5.5*mins)<BR/>=(30*7)~(5.5*20)<BR/>=100 degAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-3802979373213475425.post-24515239968990596722008-12-12T17:14:00.000+05:302008-12-12T17:14:00.000+05:30There are 360 deg in a circle so the angle between...There are 360 deg in a circle so the angle between each hour is 360 / 12 = 30 deg. At 7:20 The minute hand points exactly at the 4 and the hour hand between the 7 & 8. 20 minutes is a third of an hour so the hour hand has travelled 30 / 3 = 10 deg beyond the 7.<BR/><BR/>So the angle is 30 * 3 + 10 = 100 deg.Anonymousnoreply@blogger.com