I once cashed a cheque at the bank. I had spent £0.68 before I realised the bank clerk had made a mistake. He had transposed the pounds with the pence. I now had exactly twice the value of the original cheque. What was the original cheque's value?

Using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, can you make 100?

You can use addition, subtraction, multiplication, and division, as well as brackets.

However, they must stay in the same order and you cannot join two digits to make another number, e.g. 1 and 2 cannot be used together as 12.

[Ref: ZUDL]

Hint: Try this using a calculator.

Answer:
1 + 2 + 3 + 4 + 5 + 6 + 7 + (8 x 9) = 100.
(1 x 2 + 3) x 4 x 5 + 6 - 7 - 8 + 9 = 100.
-(1 x 2) + (3 x 4) + 5 + 6 + 7 + (8 x 9) = 100.
(1 + 2 + 3 + 4 + 5) x 6 - 7 + 8 + 9 = 100.
(1 + 2 + 3 + 4) x (((5 - 6) x (7 - 8)) + 9) = 100.

Puzzle 1008

Starting with BALL, change one letter at a time until you have the word HEAD. Each change leaves the other letters in their original places and must result in a proper word. What is the minimum number of steps required to achieve this change?

Hint: There is more than one way of completing this in 4 moves.

Answer: Ball bell hell heal head.
Ball bell hell held head.
Ball hall hell heal head.
Ball hall hell held head.

Puzzle 1009

I can read people's minds, I have made a prediction and I want you to follow the steps below to see if I have successfully read your mind.

1. Think of a number
2. Now double it
3. Add 8
4. Divide by 2
5. Subtract your original number
6. Determine which letter of the alphabet your number relates to, A=1, B=2, etc

Now you have a letter.

7. Think of a country, not a city or state, which begins with your letter
8. Think of an animal which begins with the last letter of your country
9. Think of a colour which begins with the last letter of your animal

Click 'View Answer' and I will prove that I can read your mind!

[Ref: ZGLV]

Hint:

Answer: I predict that you have chosen Orange! If you haven't, then my mind reading failed due to a psychic blip.

Puzzle 1010

This is a well known children's musical piece, the vowels have been removed and the remaining letters have been grouped together.

Answer:
Humpty Dumpty sat on the wall. Humpty Dumpty had a great fall. All the king's horses and all the king's men couldn't put Humpty together again.

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