Question

8. How many prime numbers are there between:
(a) 10 and 20
(b) 30 and 60
(c) 5 and 99
(d) 1 to 10O
solve all​

Answer 1

Answer:

Here are the first few prime numbers:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, etc.

Answer 2

Answer

• 1,2,3,5,7,11,13,17,19
• 31, 37, 41, 43, 47, 53,59
• 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
• 1,2,3,5,7,11,13,17,19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

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