. What is the average of all possible five-digit numbers that can be formed by using
cach of the digits 6, 7, 5, 9, and 2 exactly once?
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Answer:
the average of all possible five digits no. that can be formed by using 6.7.5.9.and 2
are total no.of possibles are 5×4×3×2×1=
120
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