Brain Test All-Star Math Trick

Brain Test All-Star Level 631: Each of these brothers has a sister. How many siblings are there?

Brain Test All-Star Level 631

Expert

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Quick Answer

Since all 5 brothers share the same 1 sister, there are 6 siblings in total. Set the number to 6 and tap SUBMIT.

Skills Tested

LogicProblem Solving

Step-by-Step Solution

  1. 1) Remember the five brothers all have just one shared sister.
  2. 2) Add the brothers and the sister together.
  3. 3) Enter 6 as the total and press SUBMIT.

Hint

Reveal a hint

All five brothers share the same one sister.

Why It Works

The wording tricks you into multiplying, but the sister is shared. Five brothers plus one common sister equals six siblings, which is the number to enter.

Frequently asked questions

How many siblings are in Brain Test All-Star Level 631?

All 5 brothers share 1 sister, so there are 6 siblings in total.

What is the answer to Brain Test All-Star Level 631?

Set the number to 6, since the five brothers plus the shared sister make six siblings.

What is the trick in Brain Test All-Star Level 631?

Each brother does not have his own sister; they all share the same one, so you do not multiply.

Why is the answer 6 in Brain Test All-Star Level 631?

Five brothers plus one shared sister equals six siblings in the family.

Is there a video walkthrough for Brain Test All-Star Level 631?

Yes. The embedded video shows entering 6 for the total siblings.

How do I avoid getting stuck in Brain Test All-Star Level 631?

Do not count the sister once per brother; remember she is shared and enter 6.