How many prime numbers are less than 50 ?

Question

How many prime numbers are less than 50 ?

Options:

A . 16

B . 15

C . 14

D . 18

Answer: Option B

Prime numbers less than 50 are:
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47

Their number is 15

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