#SIMPLE MATH RIDDLE FULL#

It would only take nine minutes more-and a whole lot less math. So, dont do that to yourself and try solving these pretty easy riddles first. Or if you just want to know the answer, spoiler alert: It’s 24/13 hours or about 1 hour and 51 minutes.īut to be honest, Alice and Bob should just work together and leave Charlie out of it. Saturday morning happy graphics desicomments whatsapp. Cool maths brain teasers with answers and explanations-fun with puzzles. If you want a detailed breakdown of the entire equation and thought process, check out the video above. math riddles logic puzzles paid v1 apkmagic. It is an equation with variables, coefficients and more math than many of us have done in a long time. Sure, the video calls this a basic math problem, but this isn’t finding out how much those sick Nikes now cost at 35 percent off.

#SIMPLE MATH RIDDLE FULL#

So you are looking to find out what percentage of the job each person can complete in an hour, solving for the amount of time it takes for those three percentages to add up to 100 percent or full completion of the job. So how do you really find the answer? Well, you have to consider the percentage of the job each person completes in the given amount of time, which equals 100 percent of the job completed. (Remember this is math world, not a real life messy group project where you do everything yourself). If three people are working together, the project taking more time can’t be correct. But going down that road leaves you with a nonsensical answer of 4 and a half hours, more time than it takes any two people to complete a job. Often, students translate the names and the numbers into an equation (i.e.

How long will the job take if Alice, Bob, and Charlie work together? Assume each person works at a constant rate, whether working alone or with others.”Īccording to the Talwalkar, college students presented with this problem often run into trouble when setting up a proper equation.

per minute and must travel through a 300 ft. “Alice and Bob can complete a job in two hours.Īlice and Charlie can complete a job in three hours.īob and Charlie can complete a job in four hours. Our selection of math riddles for middle school provide the perfect way to show a student’s ability to reason and use logical thinking.

Simple math riddle