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## Mr. and Mrs. Crazy: Petrol Shortage

Math brain teasers require computations to solve.

 Puzzle ID: #45261 Fun: (2.74) Difficulty: (2) Category: Math Submitted By: CaIceDevil

Recently Mr. And Mrs. Crazy have heard the news about the petrol shortage. The king has introduced to the villagers petrol rationing according to the following system, based on the 3-digit number of each number-plate (000 to 999) of the cars in the village.

People could only buy petrol on certain days as follows:
Sunday: if each of the three digits was less than 6
Monday: if the 3-digit number was odd
Tuesday: if the sum of the three digits was greater than 10
Wednesday: if the 3-digit number was a multiple of 3
Thursday: if the sum of the three digits was less than 15
Friday: if at least two of the three digits were the same
Saturday: if the 3-digit number was less than 500

If Mr. and Mrs. Crazy could refuel their car on any day of the week, what is the number on their car's number-plate?

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 AndrewWalker Sep 14, 2009 Absolutley FANTASTIC!!! easy, but great! chunnie Sep 16, 2009 yup... easy but great! dalfamnest Oct 12, 2009 An original idea, well written and interesting context. Thanks! RRAMMOHAN Nov 10, 2012 Clever one. We come across several such simple number combinations, but don't think of the various possibilities as created by the author. Thanks.

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