Question

Write the natural numbers from 64 to 83,what fraction of them are prime numbers

Answer 1

Step-by-step explanation:

Step 1: Write all no.s of 64 to 83

64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83

Total Natural no.s----->20

Step 2 Find the no.of prime no.s

Prime No.s ---->67, 71, 73, 79, 83

No.of prime no.s----->5

Step 3 Write the Fraction that is Prime No.s/Total Natural no.s

=5/20--->1/4

Therefore,1/4 is the ratio of prime no.s

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