DAY 166:

Today’s Challenge

This number trail has seven arithmetical steps.  Start with the number 49, then:

√      add nineteen      50% of this      2      +26      subtract nine      ÷7      =      ?

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 2nd & 7th rows contain the following fourteen numbers:

4    8    11    17    24    27    28    30    48    55    63    64    70    77

What is the sum of the factors of 24?

Make 166 Challenge

Can you arrive at 166 by inserting 4, 7, 14 and 17 into the gaps below?

(◯×◯)+(◯×◯) = 166

Answers can be found here.

Click Paul Godding for details of online math tuition. Wherever you are in the world, please get in touch.

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