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प्रश्न
From the data 1, 4, 7, 9, 16, 21, 25, if all the even numbers are removed, then the probability of getting at random a prime number from the remaining is ______.
पर्याय
`2/5`
`1/5`
`1/7`
`2/7`
MCQ
रिकाम्या जागा भरा
उत्तर
From the data 1, 4, 7, 9, 16, 21, 25, if all the even numbers are removed, then the probability of getting at random a prime number from the remaining is `underline(1/5)`.
Explanation:
Given:
1, 4, 7, 9, 16, 21, 25 After removing even numbers, the data is 1, 7, 9, 21, 25
Prime number: 7
Thus, required probability = `1/5`
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