DAY 344:

Today’s Challenge

Can you find the 4-digit number that has all these properties?

  •  its second digit is twice the first,
  •  its fourth digit is three times the third,
  •  all its digits are different,
  •  no two of its digits are consecutive.

The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.

The 1st & 6th columns of the playing board contain the following fourteen numbers:

7    13    21    22    27    30    36    40    49    54    55    56    60    64

Which two numbers, when each is doubled, also appear on the list?

Make 344 Challenge

Can you arrive at 344 by inserting 1, 2, 3, 4 and 5 into the gaps below?

◯⁵+◯×◯²+◯–◯ = 344

Answers can be found here.

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