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brisk.Today’s puzzles
CHALLENGE NO. 36 · CLOSED

Puzzles for
9 October 2026.

The six questions everyone saw that day, with answers and explanations.

1player finished
0:17median time for a perfect six
1 / MATHS

A little mental maths

Find the missing answer.

21 + 21= ?
  • 38
  • 50
  • 42 (correct)
  • 46

21 + 21 = 42.

2 / WORDS

Make it make sense

Unscramble the letters. Clue: a paper covering used to send a letter.

OLEPNEEV
  • HONEY
  • ENVELOPE (correct)
  • DREAM
  • IGLOO

ENVELOPE — a paper covering used to send a letter.

3 / PATTERNS

Find your rhythm

Which number comes next?

9131721?
  • 23
  • 25 (correct)
  • 29
  • 27

Add 4 each time. The next number is 25.

4 / MATHS

Keep the numbers moving

Find the missing number.

3 × ?= 18
  • 6 (correct)
  • 5
  • 8
  • 7

3 × 6 = 18.

5 / WORDS

On the same wavelength

Choose the closest meaning.

NECESSARY
  • Essential (correct)
  • Optional
  • Convenient
  • Unusual

necessary means essential.

6 / PATTERNS

One last connection

Follow the pattern. What comes next?

5102040?
  • 80 (correct)
  • 84
  • 76
  • 88

Double each number. 40 × 2 = 80.

Correct answers rank first and elapsed time breaks ties, so a careful six beats a fast five. Read how the puzzles are made or report an unclear question with this date.