DAY 354:

The Main Challenge

From the following Octaplus clues, find the values of the letters A to H, each of which contains a different whole number in the range 1-30:

  1.   A is ten lower than the value of G, but three higher than C,
  2.   C is half the value of B,
  3.   B is six lower than H, but three higher than E,
  4.   E is three times the value of F,
  5.   F is three lower than D,
  6.   D is five lower than A.

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 columns contain the following fourteen numbers:

4   12   13   15   17   21   22   27   35   55   56   60   80   81

Which four different numbers have a sum of exactly 100?

The Factors Challenge

Which of the numbers below are factors of 354?

2    3    4    5    6    7    8    9    None of them

The Mathematically Possible Challenge

Using 13 and once each, with + – × ÷ available, which FOUR numbers is it possible to make from the list below?

20    21    22    23    24    25    26    27    28    29

#NumbersIn20s

The Target Challenge

Can you arrive at 354 by inserting 2, 3, 4, 5 and 10 into the gaps below?

  •  (◯×◯–◯)²+(◯×◯) = 354

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Your email address will not be published.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 *

This site uses Akismet to reduce spam. Learn how your comment data is processed.