First slide

Permutations

Question

Total number of four digit odd numbers that can be formed using 0, 1, 2, 3, 5, 7 are

Easy

A

216
B

375
C

400
D

192

Solution

Total number of four digit odd numbers that can be formed using 0, 1, 2, 3, 5, 7 are _{$= 4. (^{5} p_{3} -^{4} p_{2}) = 192$}

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