tag:blogger.com,1999:blog-2893315201359920156.post6464106532168224111..comments2023-10-28T20:35:12.856+05:30Comments on Best Brain Teasers: Impossible Math Problemlaveshhttp://www.blogger.com/profile/03731980294342074301noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-2893315201359920156.post-34180110302210466552014-11-04T21:15:53.140+05:302014-11-04T21:15:53.140+05:30not possiblenot possibleAs Usual, Unusual..https://www.blogger.com/profile/04275384413166834921noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-38846460639920117762014-11-04T18:00:24.590+05:302014-11-04T18:00:24.590+05:3060 mph60 mphAnonymoushttps://www.blogger.com/profile/03840603035052494894noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-37926970558895817862014-11-04T15:54:32.094+05:302014-11-04T15:54:32.094+05:30Not possible as in the onward journey you consume ...Not possible as in the onward journey you consume the total time required to make the average as 40 kmph Vijayhttps://www.blogger.com/profile/18421291563609148200noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-53042804500373191282014-11-04T13:47:19.153+05:302014-11-04T13:47:19.153+05:30According to the formula Average speed =(Total Dis...According to the formula Average speed =(Total Distance travel/Total time taken)<br />if A is the distance-then total distance travel in to and fro is 2A<br />Time taken while going is A/20<br />Time taken while cmg is A/X ( X is the speed )<br />Average speed = 2A/((A/20)+(A/X)) =40<br />Solving this , we get AX= AX+20<br />Conclusion: It is quite impossible to get average speed of 40MPH in this case <br /><br /><br />Anonymousnoreply@blogger.com