DAY 330

Today’s Challenge

. . . is a number trail involving ten arithmetical steps. You can time yourself, but more importantly be careful with your calculations.  No calculators please!

Start with the number 40, then:

  • multiply by 4
  • +10%
  • subtract 15
  • divide by seven
  • add nine
  • 1/2 of this
  • +87
  • double this
  • 96
  • ÷10

What is your final answer?

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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 & 4th columns of the playing board contain the following fourteen numbers:

3     6     13     20     21     22     27     42     55     56     60     63     72     77

What is the product of the highest number and lowest number?

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Answers

. . . can be found when clicking this.

7puzzleblog

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