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Mathematics
Total number of four digit odd numbers that can be formed using 0, 1, 2, 3, 5, 7 (using repetition allowed) are
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Q. Total number of four digit odd numbers that can be formed using 0, 1, 2, 3, 5, 7 (using repetition allowed) are
Permutations and Combinations
A
216
14%
B
375
25%
C
400
12%
D
720
49%
Solution:
Required number of numbers = 5 $\times$ 6 $\times$ 6 $\times$ 4 = 36 $\times$ 20 = 720.