why some pray not granted ?

why some pray are granted ?
why some pray not granted ?

why some miracle are happened ?
why some miracle not happened ?

why some pray not granted ? because :
1. sin (punishing of sin)
2. unholy (live not holy)
3. unlove (live not love)
4. unfaith (live not faith)
5. test (testing of faithful)
6. teach (teaching from GOD)
7. law (according to law of GOD)
8. love (according to love of GOD)
9. wise (according to wise of GOD)
10. time (according to time of GOD)
11. destiny (according to will of GOD)
12. ??????? (no one know secret of GOD)