How many numbers of 5 digits would be formed from numbers 0 5 2 3 6 8 repetition is not allowed ...........

Quantitative Aptitude (CDS) Permutation & Combination

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How many numbers of 5 digits would be formed from numbers 0,5,2,3,6,8 (repetition is not allowed)?

600

300

720

400

Explanation:

total- 6 numbers
at Lakh place 5 numbers should be placed
at Thousands place 5 number should be placed
at Hundred place 4 numbers should be placed
at 10th place 3 numbers should be placed
at Unit digit 2 numbers should be placed
so,
total numbers formed =5×5×4×3×2
=600