Blog

Difficulty: Fun
Ash and Stacy Brull have five daughters. Each of their daughters has one brother. How many people are there in the Brull family?

Scroll down or click for a hint, or the answer!

 

brain icon
 

Brainteaser hint

Remember to count parents, daughters and sons separately!

brain icon

 

Brainteaser answer

Ash and Stacy only have one son, who is a brother to all their daughters! So there are two parents, five daughters and a son. That makes eight people in total.

For more brainteasers and puzzles for kids, subscribe to Double Helix magazine!

Subscribe now! button

2 responses

  1. Ted Avatar
    Ted

    Are you *trying* to trick readers? 😉

    (You’ve used a plural verb-conjugation, for a singular noun.)

    1. David Avatar
      David

      Whee! good catch – I’ll fix the grammar now…

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

By submitting this form, you give CSIRO permission to publish your comments on our websites. Please make sure the comments are your own. For more information please see our terms and conditions.

Why choose the Double Helix magazine for your students?

Perfect for ages 8 – 14

Developed by experienced editors

Engaging and motivating

*84% of readers are more interested in science

Engaging students voice