Find the probability of selecting a prime number from a set of number 1 to 15 (both inclusive).

Find the probability of selecting a prime number from a set of number 1 to 15 (both inclusive). Correct Answer 2/5

1 থেকে 15 এর মধ্যে মৌলিক সংখ্যাগুলো হচ্ছে 2, 3, 5, 7, 11, 13 মৌলিক সংখ্য হবার সম্ভাব্যতা = 6/15 = 2/5
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