Question

1. What is the percentage of prime numbers in the numbers from 1 to 20
(A) 24% (B) 25% (C) 36% (D) 40​

Answer 1

Answer:

Number of observations = 10

Fav observations = 11, 13, 17 , 19

Therefore..

Percentage = (Fav obs./total obs. ) x 100

= (4/10) x 100

= 40 %

So option D) is correct

Step-by-step explanation:

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Answer 2

there are 7 prime no. (2,3,5,7,11,13,17,19)

%=7/20*100

=36%