Can you solve the riddle?

Okay, guys, you know those riddles that pop up everywhere and totally stump you? I recently stumbled upon this famously tricky MIT University interview riddle, and it really made me think! The original image I saw even had the iconic MIT logo and a stark warning: '90% were eliminated' trying to solve it. Of course, I had to try, and I'm so glad I did because it's a brilliant piece of logic testing! The riddle goes something like this, making you think it's a simple math problem: 'A couple has 5 sons. Each son has 7 sisters. Each sister has 3 babies. They all go to a picnic. How many people are at the picnic?' At first glance, your brain probably races, trying to multiply numbers in a straightforward way. '5 sons times 7 individual sisters is 35 sisters!' 'Then 35 sisters times 3 babies!' But hold on a second. That's exactly where most people, including me initially, go wrong. It's a classic example of how a simple wording can completely trick your mind. Remember that '90% eliminated' statistic? This is precisely why it confuses so many! Let me walk you through my thought process and the clever trick behind it. The absolute key to cracking this riddle lies in the phrasing about the sisters. When it says 'Each son has 7 sisters,' it does not mean there are 35 individual sisters. It means that the 5 sons share the same 7 sisters. Think about it: if you have a brother, he has the same number of sisters as you do (if you're a sister). So, in this family, there are simply 7 daughters. This is the crucial point that makes this puzzle so challenging and why it's often used in high-stakes interviews to test critical thinking, attention to detail, and not just basic math skills! Once you grasp that, the rest is straightforward. Let's break down the family members who would be attending the picnic: The Couple: 2 people (Mom and Dad) Their Sons: 5 people Their Daughters (the sisters to all the sons): 7 people The Babies: Each of the 7 sisters has 3 babies. So, 7 sisters * 3 babies/sister = 21 babies. Now, let's add them all up to find the total number of people at the picnic: Couple: 2 Sons: 5 Sisters: 7 Babies: 21 Total: 2 + 5 + 7 + 21 = 35 people. Isn't that wild? It's much less than what your first instinct might suggest, and it perfectly illustrates how a carefully worded problem can challenge our assumptions. This 'Can you solve the riddle?' type of question truly tests your ability to read carefully, analyze relationships, and think outside the box. I felt so accomplished when I finally got it right after initially getting stumped. It's not just about arithmetic; it's about understanding the family structure described. I hope this breakdown helps you crack similar puzzles and boosts your confidence in tackling tricky logic problems!