Question

the average of all prime numbers and composites numbered upto 99 is
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Answer 1

Step-by-step explanation:

49.5

Therefore,the average of all prime and composite no. s upto 99 is 49.5.

Answer 2

Answer:

Prime numbers and composite numbers together make up all the natural numbers except 1. So the average is (2+3+...+99)/98. Since the distribution of numbers is regular we can take a shortcut and directly say that the average is (2`+99)/2= 49.5

Hope that helps !