Teaching HTET PGT Level 3 - 2024 Mock Test Mathematics Permutations and Combinations

Total number of six-digit numbers in which only and all the five digits 1, 3, 5, 7 and 9 appear, is

1
56
2
\(\left(\frac{1}{2} \right)(6!)\)
3
6!
4
\(\left(\frac{5}{2} \right)(6!)\)
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