DAY 17:

Today’s Challenge

Find the answer to this large number trail which involves fourteen arithmetical steps and includes fraction and percentage calculations.  Start with the number 11, then:

  • double it
  • 50% of this
  • +50
  • subtract thirty-five
  • ÷2
  • +37
  • 3/5 of this
  • +70
  • 2%
  • 1/2 of this
  • +311
  • subtract twenty
  • add ten
  • ÷7

What is your final answer?

The 7puzzle Challenge

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

The 1st & 7th rows of the playing board contain the following fourteen numbers:

2   4   9   11   14   15   22   24   27   30   40   70   72   77

What is the difference between the highest multiples of 5 and 6?

Make 17 Challenge

Can you arrive at 17 by inserting 2, 5, 6 and 6 into the gaps on each line?

  •  ◯²–√(◯×◯)–◯ = 17
  •  ◯²×◯÷◯+◯ = 17
  •  (◯÷◯+◯)×◯ = 17

Answers can be found here.

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