Puzzles

New Scientist Enigma

Weekly maths puzzles from New Scientist, posted and solved here. 429 enigmas tracked, with the magazine’s answer appearing about six weeks after each question is set.

Browse puzzles

Total

429

Answered

97.4% 418 of 429

Responses

8,291

Recent puzzles

1–25 of 429

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429 enigmas · Page 1 of 18

1780
Pure Hedronism Bob Walker Answered and confirmed
Answered 72
1779
Four Triangles Richard England Answered and confirmed
Answered 24
1778
Around The Houses Ian Duff Answered and confirmed
Answered 19
1777
Powerful Tombola Susan Denham Answered and confirmed
Answered 48
1776
Elevenses Susan Denham Answered and confirmed
Answered 38
1775
Third Symphony Adrian Somerfield Answered and confirmed
Answered 15
1774
March Of The Ants Ian Kay Answered and confirmed
Answered 9
1773
Cutting Corners Bob Walker Answered and confirmed
Answered 8
1772
Clueless Susan Denham Answered and confirmed
Answered 11
1771
Squares Either Way Richard England Answered and confirmed
Answered 8
1770
Power Point 2 Adrian Somerfield Answered and confirmed
Answered 10
1769
Crossing Lines Ian Kay Answered and confirmed
Answered 7
1768
Die Hard Susan Denham Answered and confirmed
Answered 34
1767
Not Over Easy Bob Walker Answered and confirmed
Answered 18
1766
Triangular Sums Richard England Answered and confirmed
Answered 8
1765
Repeating Digits Ian Kay Answered and confirmed
Answered 41
1764
Secret Passages Adrian Somerfield Answered and confirmed
Answered 32
1763
Clever Spells Susan Denham Answered and confirmed
Answered 8
1762
Quo Vadis?II Bob Walker Answered and confirmed
Answered 104
1761
Clock Work V. V. Bapeswara Rao Answered and confirmed
Answered 20
1760
Squares and cubes Peter G.Chamberlain Answered and confirmed
Answered 50
1759
Cell Count Richard England Answered and confirmed
Answered 46
1758
Path-o-logical Susan Denham Answered and confirmed
Answered 55
1757
Power Point Adrian Somerfield Answered and confirmed
Answered 31
1756
Two Triangles Richard England Answered and confirmed
Answered 20

429 enigmas · Page 1 of 18