DAY 262:

Today’s Challenge

Read the following facts to work out my numerical value:

  • I am a 3-digit number less than 200
  • I am a multiple of 11
  • add 4 to me and I become a multiple of 5
  • all my digits are different

Who am I?  Tweet me or e-mail at with your answer!

The 7puzzle Challenge

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

The 1st & 5th rows contain the following fourteen numbers:

2    6    7    9    14    15    16    21    22    40    50    72    81    84

How many square numbers are present on the list?

Make 262 Challenge

Can you arrive at 262 by inserting 2, 4, 6, 8 and 10 into the gaps below?

×(×◯–◯)+◯ = 262

Answers can be found here.

Click Paul Godding for details of online math tuition. Wherever you are in the world, please get in touch.

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