Puzzles

New Scientist Enigma

Weekly maths puzzles from New Scientist, posted and solved here. 418 enigmas tracked, with the magazine’s answer appearing about six weeks after each question is set.

Browse puzzles

Total

418

Answered

97.6% 408

Responses

8,253

Recent puzzles

276–300 of 418

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418 enigmas · Page 12 of 17

1505
Brief N-Counter Susan Denham Answered and confirmed
Answered 18
1504
All Ten Digits Richard England Answered and confirmed
Answered 8
1503
Division Decision Susan Denham Answered and confirmed
Answered 5
1502
Dead Cert Bob Walker Answered and confirmed
Answered 21
1501
Five Sets At Wimbledon Richard England Answered and confirmed
Answered 8
1500
Not All Different Richard England Answered and confirmed
Answered 3
1499
Not Quite Right Susan Denham Answered and confirmed
Answered 14
1498
Cubic Date Richard England Answered and confirmed
Answered 29
1497
Divide Both Ways Richard England Answered and confirmed
Answered 17
1496
Eighteen Albert Haddad Answered and confirmed
Answered 24
1495
An Unfolding Story Susan Denham Answered and confirmed
Answered 20
1494
Powerful Logic Bob Walker Answered and confirmed
Answered 32
1493
A Simple Multiplication Albert Haddad Answered and confirmed
Answered 15
1492
Magic Magic Adrian Somerfield Answered and confirmed
Answered 2
1491
Tile Trials Richard England Answered and confirmed
Answered 38
1490
Board With Squares? Susan Denham Answered and confirmed
Answered 11
1489
Even Digit Squares Richard England Answered and confirmed
Answered 10
1488
Cube Turn Susan Denham Answered and confirmed
Answered 10
1487
Fermat Plus One Adrian Somerfield Answered and confirmed
Answered 21
1486
1 In X Chance Richard England Answered and confirmed
Answered 39
1485
Fund Raiser Susan Denham Answered and confirmed
Answered 28
1484
Classical Centuries Adrian Somerfield Answered and confirmed
Answered 11
1483
Almost The Same Digits Richard England Answered and confirmed
Answered 15
1482
Piling On The Agony Susan Denham Answered and confirmed
Answered 23
1481
No Calculator, Please! Adrian Somerfield Answered and confirmed
Answered 7

418 enigmas · Page 12 of 17