Science:Math Exam Resources/Courses/MATH312/December 2005/Question 07
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[hide]Question 07 |
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Multiple Choice Let n be the solution to the following ancient Indian problem (taken from Rosen) If eggs are removed from a basket 2, 3, 4, 5 and 6 at a time, there remain respectively, 1, 2, 3, 4 and 5 eggs. But if the eggs are removed 7 at a time, no eggs remain. What is the least number of eggs that could have been in the basket? The number n is congruent to which of the following modulo 13?
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Make sure you understand the problem fully: What is the question asking you to do? Are there specific conditions or constraints that you should take note of? How will you know if your answer is correct from your work only? Can you rephrase the question in your own words in a way that makes sense to you? |
If you are stuck, check the hints below. Read the first one and consider it for a while. Does it give you a new idea on how to approach the problem? If so, try it! If after a while you are still stuck, go for the next hint. |
[show]Hint 1 |
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[show]Hint 2 |
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Checking a solution serves two purposes: helping you if, after having used all the hints, you still are stuck on the problem; or if you have solved the problem and would like to check your work.
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[show]Solution 1 |
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[show]Solution 2 |
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