DAY 334:

The Main Challenge

. . . involves making 7 when using the four numbers 0.7, 1.6, 2 and 10 once each, and with the four arithmetical operations + – × ÷ available.

Can you arrive at our signature target answer of 7?

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 3rd & 7th columns contain the following fourteen numbers:

4   5   9   12   15   17   24   28   32   35   50   66   80   81

What is the sum of the multiples of 5 listed above?

The Factors Challenge

Which of the following numbers are factors of 334?

4    6    8    10    12    14    16    18    None of them

The Mathematically Possible Challenge

Using 29 and 12 once each, with + – × ÷ available, which are the only THREE numbers it is possible to make from the list below?

5    10    15    20    25    30    35    40    45    50

#5TimesTable

The Target Challenge

Can you arrive at 334 by inserting 2, 3, 4, 4 and 5 into the gaps below?

  •  ◯⁵+◯⁴+◯³+◯²–◯ = 334

Answers can be found here.

Click Paul Godding for details of online maths tuition.

This entry was posted in 7puzzleblog.com. Bookmark the permalink.

Leave a Reply

Your email address will not be published. Required fields are marked *