Tricky2

@wolfgang59 said
Not the key but possibly a clue.

The Sumerians, Babylonians, Chinese, Persians even the Greeks (sometimes)
used base 60 systems. 60 is such an accommodating number. Why is that?

That's your clue.

60 has 12 divisors — 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30 and 60.

@handyandy said
60 has 12 divisors — 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30 and 60.

I get the thing about 60 but I still can't see the answer to the puzzle

@venda said
I get the thing about 60 but I still can't see the answer to the puzzle

OK. I really didn't think this was hard.
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@wolfgang59

I have to say number theory is my least favorite subject.

@wolfgang59 said
OK. I really didn't think this was hard.
[hidden]Lowest common multiples (LCM)[/hidden]
[hidden]60 is LCM of 1,2,3,4,5 & 60 is LCM of 1,2,3,4,5,6[/hidden]
[hidden]LCM of 1,2,3,4,5,6,7 is 420[/hidden]

Like all these things , the answer is obvious when you see it.
Thanks for the puzzle.
I'll have to find something else to think about to put me to sleep when I go to bed now!!

1. How can you add 4.5 to 9.55 and get 2.25?
2. If 1=5, 2=25, 3=325, 4=666 what does 5 equal?
3. The Post Office only accepts cuboid parcels, it defines length at
the longest dimension, width as the second longest and depth as
the third. They do not accept parcels exceeding a length of 120cm,
or a width of 40cm or a depth of 30cm.
What is the longest item I can send?
4. What is the next ...[text shortened]... om and found 60 pennies, I gave them
to the bank and they gave me 25 shiny pennies in return. Why?

1. Add four and a half hours to 9:55

2. If 1=5 then 5=1

3. A stick of length 130 will fit in a box 30x40x120

4. Lowest common multiples of numbers up to 1,2,3,4,5,6. Next is 420.

5. T time

6. Roman numerals.

7. A hole.

8. He was President before he got assassinated.

9. Total length of chain is 3m which means a circle of diameter 6m.

10. For a short time after decimalisation in UK old pennies could be banked. 60d = 25p