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Maths Puzzle
Numerical Ability
Heather rolls a 6-sided number cube 3 times. What is the probability that she will roll a 6 all 3 times?
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book Other Question
How many different arrangements of 9 letters can be formed from the letters in the word "SEVENTEEN" ?
If a, b, and c are consecutive positive integers, show that 6/5<=A/(B+C) +B/(C+A)+C/(A+B)<=2