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Negative Dice

Weekly Problem 16 - 2012
If the odd numbers on two dice are made negative, which of the totals cannot be achieved?

Pros and Cons

Stage: 3 Short Challenge Level: Challenge Level:1
See all short problems arranged by curriculum topic in the short problems collection

If p is a positive integer and q is a negative integer, which of the following is the greatest?

A. $p-q$
B. $q-p$
C. $p+q$
D. $-p-q$
E. More information needed

If you liked this question, here is an NRICH task which challenges you to use similar mathematical ideas.



This problem is taken from the UKMT Mathematical Challenges.