tag:blogger.com,1999:blog-2893315201359920156.post5107619931741762999..comments2023-10-28T20:35:12.856+05:30Comments on Best Brain Teasers: Maths Logic Puzzlelaveshhttp://www.blogger.com/profile/03731980294342074301noreply@blogger.comBlogger23125tag:blogger.com,1999:blog-2893315201359920156.post-38848197535737958542014-10-02T15:11:31.447+05:302014-10-02T15:11:31.447+05:3070% of the population have defective eyesight.
Of...70% of the population have defective eyesight.<br /><br />Of that 70% a further 75% of those are hard of hearing.<br />70% x 75% = 52.5% eyesight and hearing problems<br /><br />Of that 52.5% a further 80% also have sinus trouble.<br />So 52.5% x 80% = 42% suffer from eyesight, hearing and sinus problems.<br /><br />Of that 42% a further 85% also suffer from allergies<br />42% x 85% = 35.7% suffer from all 4 aliments.<br /><br />Conversely 0.225% are free from all 4.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-4670297606435334542014-09-17T12:41:50.032+05:302014-09-17T12:41:50.032+05:30How can 90% be free of these 4 diseases if 70% hav...How can 90% be free of these 4 diseases if 70% have defective eyesight etc etc? That makes no sense.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-17045375501043897912014-01-06T11:19:36.204+05:302014-01-06T11:19:36.204+05:30sure 10% {(100-70)+(100-75)+(100-80)+(100-85)}=90
...sure 10% {(100-70)+(100-75)+(100-80)+(100-85)}=90<br />so 90% are free from these 4 decease so the right answer is=(100-90)=10% ajijul greenhttps://www.blogger.com/profile/14511679246191327700noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-2747212136149061202013-01-14T16:18:52.718+05:302013-01-14T16:18:52.718+05:30its 10 percentits 10 percentMAHARAJAhttps://www.blogger.com/profile/01364119446967344699noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-10186889253306999952012-11-22T17:40:46.717+05:302012-11-22T17:40:46.717+05:3010% is your answer.. let me is thier any one physi...10% is your answer.. let me is thier any one physically fit in that village or not.. Everyone body having different problem...Abacus Franchisehttp://www.mastermindabacus.comnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-36094998938368064942012-09-15T21:09:38.939+05:302012-09-15T21:09:38.939+05:30In continuation to above: Actually 45% is min. ove...In continuation to above: Actually 45% is min. overlap of 70% & 75% (70+75-100) i.e., having both eye & ear problems. 80% have sinus, so the min. overlap of 45% & 80% is 25%. 85% have allergies, so the min. overlap of 25% (having 3 problems) and 85% is (25+85-100) i.e., 10% will have all the four deficiencies.<br /><br />Now I learnt why directly 70+75+80+85-300=10 is used by some body.facepuzzlehttps://www.blogger.com/profile/06432082370436956478noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-80294943814187030612012-09-14T13:44:14.268+05:302012-09-14T13:44:14.268+05:3030% have no eye problem. 75% with hearing problem,...30% have no eye problem. 75% with hearing problem, so min. 45% (75-30) in them have eye problem too.<br /><br />Other defects percentage is larger the sharing the other defects will be larger.<br /><br />So the min. 45% will have all 4 defects.<br /><br />Nice Problem!facepuzzlehttps://www.blogger.com/profile/06432082370436956478noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-26679794425204941282012-09-14T13:35:51.572+05:302012-09-14T13:35:51.572+05:30erza scarlet
i think 10erza scarlet<br /> i think 10Anonymoushttps://www.blogger.com/profile/10128165748512969117noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-655308665381115632012-09-14T02:29:31.179+05:302012-09-14T02:29:31.179+05:3010%
bocoz
70% eyesight ==> 30% ppl no eyesigh...10% <br />bocoz <br />70% eyesight ==> 30% ppl no eyesight prob<br />75% hearing ==> 25% ppl no hearing prob<br />80% sinus ==> 20% no sinus prob<br />85% allergies ==> 15% no allergies<br />To make 100% sure of % of ppl with all problems:<br />In a number line of 100 ppl if you fill first 30% ppl with no eyesight problem, next 25% ppl with no hearing prob, next 20% with no sinus prob and 15% ppl with no allergies we still left with 10% ppl who will definitely have all the 4 problems. So min. 10% ppl will be definitely there no matter how ever you distribute these problems to those 100 ppl. <br /><br />As simple as that...:)<br /><br />rocking iitianhttps://www.blogger.com/profile/01049562396507330180noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-80538051913334228152012-09-13T22:35:52.729+05:302012-09-13T22:35:52.729+05:30how come 10 ??
from where u get 300 ??how come 10 ??<br />from where u get 300 ??Nehanoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-26242252609954449612012-09-13T22:35:21.862+05:302012-09-13T22:35:21.862+05:3010 ?? 10 ?? Nehanoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-51811809907481847722012-09-13T22:32:00.151+05:302012-09-13T22:32:00.151+05:3070% * 75% * 80% * 85% = 35.7%70% * 75% * 80% * 85% = 35.7%Anonymoushttps://www.blogger.com/profile/14601415549930523183noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-34779627914769505762012-09-13T19:42:41.916+05:302012-09-13T19:42:41.916+05:3020%20%Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-12235115589481546232012-09-13T16:33:45.649+05:302012-09-13T16:33:45.649+05:3055%
out of 100 the min overlapped area possible be...55%<br />out of 100 the min overlapped area possible between 85(max) and 70(min) is 70-(100-85) or 80-(100-70)<br />Anonymoushttps://www.blogger.com/profile/11093182786004376006noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-6610600253410564402012-09-13T16:05:34.339+05:302012-09-13T16:05:34.339+05:305 %5 %Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-45583761214361519992012-09-13T15:51:23.463+05:302012-09-13T15:51:23.463+05:30ryt...
ryt...<br />Anonymoushttps://www.blogger.com/profile/10560184379161202076noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-11583336343794453802012-09-13T15:50:53.259+05:302012-09-13T15:50:53.259+05:3010%
= (85 + 80 + 75 + 70) - 300 = 10
10%<br /><br />= (85 + 80 + 75 + 70) - 300 = 10<br />Anonymoushttps://www.blogger.com/profile/10560184379161202076noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-77951179496879152342012-09-13T14:52:04.113+05:302012-09-13T14:52:04.113+05:3010 % is the answer10 % is the answerAnonymoushttps://www.blogger.com/profile/16652024566430528600noreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-87620679350531813082012-09-13T14:38:48.524+05:302012-09-13T14:38:48.524+05:30 eyesight, 75 percent eyesight, 75 percent Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-91187444619866055872012-09-13T14:37:41.458+05:302012-09-13T14:37:41.458+05:30max percent - (100 percent - min percent)
= 85-(1...max percent - (100 percent - min percent) <br />= 85-(100-70)<br />= 55Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-63746501796982551332012-09-13T14:12:18.709+05:302012-09-13T14:12:18.709+05:305%5%Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-66670791553461302422012-09-13T09:02:18.419+05:302012-09-13T09:02:18.419+05:3025%
S/P25%<br /><br />S/PAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2893315201359920156.post-67013358301035506882012-09-13T07:50:36.576+05:302012-09-13T07:50:36.576+05:30
45 percent <br />45 percent Anonymousnoreply@blogger.com