If a number of two digit is formed with

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Probability

Question:

If a number of two digit is formed with the digit 2, 3, 5, 7, 9 without repetition of digits, then the probability that the number formed 35 is

Options:

$\frac{1}{10}$

$\frac{1}{20}$

$\frac{1}{30}$

none of these

Correct Answer:

$\frac{1}{20}$

Explanation:

Required probability = $\frac{1}{{ }^5 P_2}=\frac{1}{20}$