for this partice could you help me

(1) The following (simultaneous) congruences may or may not have solutions. Find them or show that none exist a) 111' E 9 mod 24, 42: E 57 mod 63, and 51': E 31 mod 98. b) 3:1" E 15 mod 15. Q c) 3:3 + :1: + 1 E 0 mod 2474329. d) :1: E 39 mod 91, a: E 25 mod 119, and a: E 29 mod 221. e) 3:2 5 E 0 mod 1485. f) 2:435 2 E 0 mod 54145