DAY 203:

Today’s Challenge

Starting with the number 7, complete the following sixteen arithmetic steps:

  • multiply by ten
  • 40 percent of this
  • double it
  • multiply the digits together
  • increase by 20 percent
  • divide by three
  • increase by 50 percent
  • one-third of this
  • double it
  • square it
  • five-sixths of this
  • decrease by 10 percent
  • divide by three
  • add thirty-nine
  • increase by 20 percent
  • seven-ninths of this

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 2 up to 84.

The 1st & 3rd rows of the playing board contain the following fourteen numbers:

2    9    13    14    15    22    25    36    40    42    45    66    72    80

What is the sum of the odd numbers listed?

Make 203 Challenge

Can you arrive at 203 by inserting 3, 4, 7 and 8 into the gaps below?

(◯×◯–◯)×◯ = 203

Answers can be found here.

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