1.

5 What is the difference between the sum of all composite numbers and the sum ofaprime numbers from 21 to 30?(1) 176(2) 203(3) 205(4) 215​

Answer»

Composite Numbers between 21 to 30 are:-

  • 22,24,25,26,27,28

PRIME Numbers between 21 to 30 are:-

  • 23,29

According to QUESTION:

Difference between the sum of all composite numbers and the sum of all prime numbers between 21 to 30.

=(21+22+24+25+26+27+28+30 )-(23+29)

=203-52

=151

  • The difference between the sum of all composite numbers and the sum of all prime numbers between 21 to 30 is 151.


Discussion

No Comment Found