tag:blogger.com,1999:blog-2893315201359920156.post3825720900012121141..comments2023-10-28T20:35:12.856+05:30Comments on Best Brain Teasers: Maths Classic Race Puzzlelaveshhttp://www.blogger.com/profile/03731980294342074301noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-2893315201359920156.post-57791480679040513182013-08-08T18:17:32.808+05:302013-08-08T18:17:32.808+05:303636Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-32802824835990475242012-11-29T18:55:28.367+05:302012-11-29T18:55:28.367+05:30Well, no, they don't run the course at a const...Well, no, they don't run the course at a constant speed, it's not humanly possible or even possible for a machine.<br /><br />Since we're assuming they all completed the 100 metre race, they beat each other by time, not metres.<br /><br />This whole question is stupid.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-46694302960758349132012-11-21T18:43:09.684+05:302012-11-21T18:43:09.684+05:30Awesome cjsgusAwesome cjsgusNehanoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-52812158321165180682012-11-21T17:29:46.977+05:302012-11-21T17:29:46.977+05:30Good job!
Excuse me, I'm Korean so my English...Good job!<br /><br />Excuse me, I'm Korean so my English is poor.<br /><br />I have more simple solution.<br /><br />When Bolt ran 100 meters, Lewis ran 80 meters. Lewis' velocity is 80% of Bolt's velocity.<br /><br />When Lavesh ran 100 meters, Bolt ran 80 meters. Bolt's velocity is 80% of Lavesh's velocity.<br /><br />80% of 80% is 64%. Therefore Lewis' velocity is 64% of Lavesh's velocity. When Lavesh ran 100 meters, Lewis ran 64 meters. So Lavesh beat Lewis by 36 meters.<br /><br /> cjsgus@hanmail.netAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-32449367846859961442012-11-20T10:27:25.453+05:302012-11-20T10:27:25.453+05:3036
here is a simple sol how......
lavesh velocit...36<br /><br />here is a simple sol how......<br /><br />lavesh velocity=v1<br />bolt =v2<br />lewis =v3<br /><br />supposh lavesh took x min to finish..v1*x=100<br /> v2*x=80<br /><br />suppose bolt covers rest 20 meter in y min<br /><br />y=20/v2=x/4<br /><br />so total time cover by bolt to finish=x +x/4=5x/4<br /><br />now, in 5x/4 time lewish covers 80 meter<br /><br />so v3=80/(5x/4)=64/x.<br /><br />so in time x when lavesh finished lewis must have covered a distance=v3 * x<br /> =64/x * x<br /> =64<br /><br />=> lavesh beat lewis by 100-64=36 meter<br /><br /><br />hope evry 1 clear<br /><br />thanks<br /><br />ajit100https://www.blogger.com/profile/08768871092228889599noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-90659558455488694452012-11-19T20:20:21.893+05:302012-11-19T20:20:21.893+05:3036 meters.
100/v1=80/v2, 100/v2=80/v3
hence trail...36 meters.<br />100/v1=80/v2, 100/v2=80/v3<br />hence trailing distance= 20+(20/v2)*v3=20+16=36Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-87229949385992422912012-11-19T17:07:36.895+05:302012-11-19T17:07:36.895+05:3080 meters80 metersAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-46065705705090724532012-11-19T16:02:48.201+05:302012-11-19T16:02:48.201+05:3040 meters40 metersAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-41648336178466754892012-11-19T13:16:41.874+05:302012-11-19T13:16:41.874+05:3036 meters.36 meters.BhabANIhttps://www.blogger.com/profile/10044520836523202394noreply@blogger.com