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If without repetition of the numbers, four-dight numbers are formed with the numbers 0, 2, 3 and 5, then the probability of such a number divisible by

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If without repetition of the numbers, four-dight numbers are formed with the numbers 0, 2, 3 and 5, then the probability of such a number divisible by 5 is A. 1 5 B. 4 5 C. 1 30 D. 5 9 Select the correct answer from above options

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Correct Answer - D (d) We have, to form fout-digit number using the digit 0, 2, 3 and 5 Which are divisible by 5. If 0 is fixed at units place=3×2×1=6 If 5 is fixed at units place=2×2×1=4 Total four-digit numbers divisible by 5=6+4=10 ∴ Required probability= 10 18 = 5 9

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