Question

from the list below form 10 pairs of coprime numbers numbers are 2 and 4 and 7 and 10 and 14 and 16 and 21 and 25​

Answer 1

1- 2&7
2- 14&25
3- 16&21
4- 10&7
5- 16&25
6- 10&21
7- 2&21
8- 25&4
9- 4&7
10- 21&25