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How many prime numbers exist between 1 to 100?

a.15 b.20 c. 23 d. 25 e. none of these

Your Answer

There are 25 prime numbers between 1 and 100.
They are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and97.
Option D

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