DAY 107:

Today’s Challenge

Here’s seven tricky mental teasers to try:

  1. (18 – 5) – (7 – 17) = ?
  2. 128 + 294 = ?
  3. How many seconds are in a quarter-of-an-hour?
  4. How many degrees are in three-quarters of a circle?
  5. (16 – 8) × (13 – 8) = ?
  6. On four consecutive days, you spend £55, £74, £36 and £15. What is the average amount spent per day?
  7. What is 15% of £8?

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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 & 2nd rows of the playing board contain the following fourteen numbers:

2     8     9     14     15     17     22     28     40     48     55     63     64     72

Which two numbers have a difference of 42?

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Answers

. . . can be found when clicking this.

7puzzleblog

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