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Write the correct answer :
Sum of the number of primes between 16 to 80 and 90 to 100 is
(A) 20 (B) 18 (C) 17 (D) 16
Answers (1)
(C) 17
There are 25 prime numbers between 1 to 100. 1 to 16 there are 6 prime numbers and from 80 to 90 there are 2 primes number.
So the sum of the number of primes between 16 to 80 and 90 to 100 is 25-(6+2)=25-8=17
View full answer
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