Hints for SUM #5

Difficulty: Medium

Spoiler-safe hints for the SUM puzzle of September 22, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

Target 1 (40): start with 2 × 15 = 30

Hint 2

Target 2 (240): start with 1 + 5 = 6

Hint 3

Target 3 (335): start with 1 + 10 = 11

The answer

Contains the answer. Open only if you are stuck.

1 · 2 · 5 · 10 · 15

  • Target 1: 402 × 15 = 30 · 10 + 30 = 40
  • Target 2: 2401 + 5 = 6 · 10 + 6 = 16 · 15 × 16 = 240
  • Target 3: 3351 + 10 = 11 · 2 × 15 = 30 · 11 × 30 = 330 · 5 + 330 = 335

Play this puzzle Today's hints Archive

SUM

Five numbers, four operations, three targets. Combine the numbers with + − × ÷ to hit each target exactly. The same puzzle for everyone, in every language.