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Puzzle 5 


What three-letter word best completes the below words?
sw--- ---y al--- f--- w---

Puzzle Copyright © Kevin Stone

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Puzzle 6 


Tommy: "How old are you, mamma?"

Mamma: "Let me think, Tommy. Well, our three ages add up to exactly seventy years."

Tommy: "That's a lot, isn't it? And how old are you, papa?"

Papa: "Just six times as old as you, my son."

Tommy: "Shall I ever be half as old as you, papa?"

Papa: "Yes, Tommy; and when that happens our three ages will add up to exactly twice as much as to-day."

Tommy: "And supposing I was born before you, papa; and supposing mamma had forgot all about it, and hadn't been at home when I came; and supposing--"

Mamma: "Supposing, Tommy, we talk about bed. Come along, darling. You'll have a headache."

Now, if Tommy had been some years older he might have calculated the exact ages of his parents from the information they had given him. Can you find out the exact age of mamma?

Mamma's Age – Amusements In Mathematics, Henry Ernest Dudeney.

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Puzzle 7 


Hidden below are eight, 7-letter words.

Each word begins with the central S and you can move one letter in any direction to the next letter.

Each of the letters is used exactly once.

What are the words?

Note: this puzzle is not interactive, and the letters cannot be clicked.

Puzzle Copyright © Kevin Stone

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Puzzle 8 


Imagine a bottle recycling skip, empty other than one lonely bottle.

Every hour, on the hour, people come and put bottles into the skip.

The first hour, at noon, one person came and put a bottle in.

One hour later, two people each placed a bottle into the skip.

An hour later, four people each placed a bottle into the skip.

This doubling of people continued until 11pm, when the skip was finally full.

When was the skip exactly half full?

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