exam
Maths Puzzle
Numerical Ability
suppose that a 5-digit number is randomly generated using digits from the sets {2,3,4,6,7}. find the probability that the number has no repeated digits.
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exam Other Question
Graph the following inequalities:
4x+y >or= 4
3x-4y <12
y> 3
what is the simplified answer to (a^n-1*b^-2n)/ (a^n+1*b^2n-2). The directions say "assume that no denominator equals 0 and that m and n are integers greater than 1."