tag:blogger.com,1999:blog-2893315201359920156.post4116147852744957891..comments2023-10-28T20:35:12.856+05:30Comments on Best Brain Teasers: Hour Glass Riddlelaveshhttp://www.blogger.com/profile/03731980294342074301noreply@blogger.comBlogger6125tag:blogger.com,1999:blog-2893315201359920156.post-75123826756060410902014-04-26T11:06:34.075+05:302014-04-26T11:06:34.075+05:30Turn down 4 mins (A) and 7 mins (B) hourglass toge...Turn down 4 mins (A) and 7 mins (B) hourglass together.<br />When A is empty invert A and start recording time.<br />3 mins recorded.<br /><br />Now you'll have 1 min in A and 7 mins in B).<br />Invert both, when A is empty B will have <br />6 mins.<br />6+3=9<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-44335843227017536202013-08-17T16:05:05.626+05:302013-08-17T16:05:05.626+05:30Name 7min as A
4 min as B.
1) Start by turning do...Name 7min as A<br />4 min as B.<br /><br />1) Start by turning down both A and B<br />2) When B completes, we will have (7min-4min) in A<br />3) That is the first three minutes<br />4) Then turn A (which has 3 mins), this will be the second 3 mins<br />5) Repeat (1) for the next 3 mins<br />6) Totally we will have 3+3+3 minsAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-56399941595670397472013-07-20T00:13:55.072+05:302013-07-20T00:13:55.072+05:30Very easy do it physically .......but tricky to e...Very easy do it physically .......but tricky to explain Anonymoushttps://www.blogger.com/profile/11192391405582439121noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-76163019853458339232013-07-19T11:45:09.818+05:302013-07-19T11:45:09.818+05:30Correct another approach,
start both hourglasses,...Correct another approach, <br />start both hourglasses, name 7 mins hour glass A and 4 mins one B.<br />once 4 min is over turn B down.<br />Once A is over B is left with 1 min.<br />turn both down, by the time B is over -3 mins <br />Turn both down, A will take 3 minutes to finish - 3 mins<br />Again turn both Now B will take 3 mins.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-45529989664186679392013-07-19T07:51:47.749+05:302013-07-19T07:51:47.749+05:30start both the hourglasses
when the small one fini...start both the hourglasses<br />when the small one finishes, turn it down (4 min)<br />when the big one finishes, turn it down (7 min)<br />when the small one finishes, turn the big one down (8 min)<br />now the big one will finish in 1 min and total time 9 mins..<br /><br />As Usual, Unusual..https://www.blogger.com/profile/04275384413166834921noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-43960563269442743392013-07-19T07:31:21.535+05:302013-07-19T07:31:21.535+05:30name 7 mins hour glass A and 4 mins one B.
start b...name 7 mins hour glass A and 4 mins one B.<br />start both of them, as soon as B gets empty. reverse it. by now 4 mins are noted. when you reverse B, you have 3 mins in A. at the lapse of 3 mins A gets empty and 1 min is left in B. mark the point of one min on both the bulbs of B glass. now you can easily get two mins out of B hour glass.<br />thank you.Anonymousnoreply@blogger.com