12. Find the HCF and LCM of each of the following sets of numbers.
(a) 84 and 189
(b) 315 and 720
C 392 and 616
(d) 1008 and 1764
e 140, 224 and 560
(f) 315, 525 and 1400
(g) 252, 378 and 567
(h) 330, 792 and 1188
Pls help me in this math hwww
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A) 84 and 189
HCF = 21 , LCM = 756
B) 315 and 720
HCF = 45 , LCM = 5040
C) 392 and 616
HCF = 56 , LCM = 4312
D) 1008 and 1764
HCF = 252 , LCM = 7065
E) 140, 224 and 560
HCF = 28 , LCM = 1120
F) 315, 525 and 1400
HCF = 35 , LCM = 12600
G) 252, 378 and 567
HCF = 63 , LCM = 2268
H) 330, 792 and 1188
HCF = 66 , LCM = 11880
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