Friday puzzle, no.19 (after the Bank Holiday edition)

It is my genuine hope that you all had better things to do over the weekend than look at links on the internet. Assuming this was the case, the Friday Puzzle returns today with its usual collection of links and internet paraphernalia.

As ever, thanks go to Wrighty for being the arbiter of this fine feature.

First, the answer to last week’s puzzle:

How many minutes is it until six o’clock if fifty minutes ago it was four times as many minutes past three o’clock?

The answer was twenty-six minutes until six o’clock. (We found ourselves in the unusual position of someone actually sending in an answer to this puzzle. What’s more, it was correct. Thus, kudos to Sam O.J. for that marvellous bit of mental dexterity.)

Here’s this week’s puzzle, courtesy of Brainbashers:

Assuming that there are nearly 7,000,000,000 (7 billion) people on Earth, estimate the size of number you’d get if you multiplied together the number of fingers on everyone’s hands. For this calculation, it might be easier to count a thumb as a finger. How many zeroes would this number have? How many beaches of sand would this be? How far into the galaxy could we reach if your answer was converted to miles? How many zebras would you need to have this many hairs?

Good luck with that one.

Other links:

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rich_w

Man of letters & numbers; also occasionally of action. Husband to NTW. Dad of three. Friendly geek.

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