DAY 338

Today’s Challenge

. . . is a number trail question which involves twelve arithmetical steps.

Start with the number 21, then:

  • 1/3 of this
  • multiply by seven
  • +23
  • ÷3
  • +75%
  • +5
  • 7
  • Find 10% of this
  • Square this
  • +2
  • Double this
  • Square root of this

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 4th & 6th columns of the playing board contain the following fourteen numbers:

3     6     7     20     30     36     40     42     49     54     63     64     72     77

Which two numbers, when 10 is added to them, both become square numbers?

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Answers

. . . can be found when clicking this.

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