DAY 75:

Today’s Challenge

Start with the number 13, then follow these ten arithmetic steps:

2   +5   ÷2   ×5   4   ÷9   +1   ×5   1   ÷4   =   ?

What is your final 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 & 6th rows contain the following fourteen numbers:

2   5   9   12   14   15   18   20   22   33   40   49   56   72

Which four different numbers, when added together, have a total of 100?

Make 75 Challenge

Can you arrive at 75 by inserting 3, 4, 5 and 10 into the gaps on each line?

  •  (◯+◯)×◯+◯ = 75
  •  ◯²×(◯–◯–◯) = 75
  •  ◯×◯+◯²+◯² = 75

Answers can be found here.

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