Dan can dig a hole in 50min, Jon can do it in 40min, how long will it take if they work together? Published 2023-10-06 Download video MP4 360p Recommendations 16:51 What is the MEDIAN of 2, 4, 6, 8 =? No one should get this WRONG! 15:56 A pump can fill a pool in 10hrs. Another pump can fill it in 15hrs. Both pumps together will take? 07:06 The Simple Question that Stumped Everyone Except Marilyn vos Savant 18:25 The SAT Question Everyone Got Wrong 18:39 Ann is 3 times older than her brother. In 4 yrs, she will be twice as old. How old is her brother? 11:28 Hardest Exam Question | Only 8% of students got this math question correct 14:01 If you know these 15 Words, your English is EXCELLENT! 11:48 Why Calculators Lie: Can You Solve This Simple Math Problem? 07:14 Most US College Students Get This Wrong 17:54 The Algebra Step that EVERYONE Gets WRONG! 14:41 How 3 Phase Power works: why 3 phases? 21:38 How I would explain Calculus to a 6th grader 18:14 Could you pass this interview? The famous batteries and flashlight logic puzzle 15:28 (5 to the 6th ) – (5 to the 5th ) over 4 =? MANY will get WRONG! (No Calculator) 16:17 2 to the x = 9, many don’t know where to start 18:11 A tricky problem from Harvard University Interview 06:23 Why you didn't learn tetration in school[Tetration] Similar videos 03:52 "Working Together" Problems 03:29 Working alone, Ryan can dig a 10 ft by 10 ft hole in five hours. Castle can dig the same ... 12:21 How to stay calm when you know you'll be stressed | Daniel Levitin | TED 34:47 Algebra WORK Word Problems – How to Solve and Practice! 09:42 How to quickly get out of a rut 20:09 100 Days on a Volcanic Island in Minecraft 40:51 Elon Musk: The future we're building -- and boring | TED 13:14 11 Optical Illusions That Will Trick Your Eyes 11:00 How Deep Can You Possibly Dig? 09:42 Work Problems | Numerical Reasoning 29:05 100 Days, But Lava Rises Every Day! 09:08 If You See This, Run Fast and Ask for Help! 37:57 The Side of RUSSIA You RARELY SEE... 02:54 Working alone, it takes Asanji eight hours to dig a 10 ft by 10 ft hole. Brenda... 04:52 7,000 Year Old Toothbrush vs Future Toothbrush !! 09:31 If You See Square Waves, Get Out of the Water! 35:19 TOP 100 Construction Tips & Hacks That Work Extremely Well 10:09 How Long Does A Pencil Last? More results