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brisk.Today’s puzzles
CHALLENGE NO. 18 · CLOSED

Puzzles for
21 September 2026.

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

1player finished
0:20median time for a perfect six
1 / MATHS

A little mental maths

Find the missing answer.

31 + 21= ?
  • 52 (correct)
  • 55
  • 49
  • 58

31 + 21 = 52.

2 / WORDS

Make it make sense

Unscramble the letters. Clue: protective headgear worn when cycling.

TEEHML
  • QUILT
  • HELMET (correct)
  • PIANO
  • CAMERA

HELMET — protective headgear worn when cycling.

3 / PATTERNS

Find your rhythm

Which number comes next?

481216?
  • 22
  • 20 (correct)
  • 24
  • 18

Add 4 each time. The next number is 20.

4 / MATHS

Keep the numbers moving

Find the missing number.

4 × ?= 32
  • 8 (correct)
  • 10
  • 9
  • 7

4 × 8 = 32.

5 / WORDS

On the same wavelength

Choose the closest meaning.

FREQUENT
  • Common (correct)
  • Occasional
  • Recent
  • Unexpected

frequent means common.

6 / PATTERNS

One last connection

Follow the pattern. What comes next?

571014?
  • 23
  • 15
  • 27
  • 19 (correct)

The gaps grow by one: +2, +3, +4, then +5. 14 + 5 = 19.

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.