Puzzle:

How long would it take you to count 1 billion orally if you could count 200 every minute and were given a day off every four years? Assume that you start counting on 1 January 2001.

Solution:

9 Years, 187 Days, 5 Hours, 20 minutes

As you can count 200 per minute, to count 1 billion you require

= 1,000,000,000/200 minutes

= 5,000,000 minutes

= 83,333.3333 hours

= 3,472.2222 days

= 9.512937 years

= 9 Years, 187 Days, 5 Hours, 20 minutes

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Solution:

9 Years, 187 Days, 5 Hours, 20 minutes

As you can count 200 per minute, to count 1 billion you require

= 1,000,000,000/200 minutes

= 5,000,000 minutes

= 83,333.3333 hours

= 3,472.2222 days

= 9.512937 years

= 9 Years, 187 Days, 5 Hours, 20 minutes

## 5 comments:

If he starts at 2001:01:01 00:00:00

will finish

2010 July 7th 5:20 AM

2010:07:07 5:20:00

(Total two days off)

2010 June 4th 15:46:50

from 1 January 2001, 00:00 am to 7 July 2010, 05:20 am.

If you would have started from 1 January 2000, 00:00 am, then ??

then it would go till 6 July, 2009, 05:20 am.

8 july 2010

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