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Difficulty: Medium4 Star RatingPuzzle 1516

You have the misfortune to own an unreliable clock. This one loses exactly 10 minutes every hour. It is now showing 1.00am and you know that is was correct at midnight, when you set it. The clock stopped 1 hour ago, what is the correct time now?

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[Ref: ZLOA] © Kevin Stone 



Difficulty: Hard4 Star RatingPuzzle 1517

What number comes next in this sequence:

3 24 102 312 777 ==?==

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[Ref: ZUCY] © Kevin Stone 



Difficulty: Hard4 Star RatingPuzzle 1518

At what distance from the earth it is possible to see exactly 1/3 of the earth's surface?

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[Ref: ZRUM]  



Difficulty: Medium4 Star RatingPuzzle 1519

What are the next two numbers in this sequence:

202 122 232 425 262 728 ==?== ==?==

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[Ref: ZNDM] © Kevin Stone 



Difficulty: Medium4 Star RatingPuzzle 1520

I once cashed a cheque at the bank. I had spent £1.20 before I realised the bank clerk had made a mistake. He had transposed the pounds with the pence. I now had exactly 7 times the value of the original cheque. What was the original cheque's value?

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[Ref: ZDLZ] © Kevin Stone 


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