A. 1-6-2-3-5-4-7-8
B. 6-1-2-4-5-3-7-8
C. 6-1-2-3-4-5-7-8
D. 6-1-2-4-3-5-7-8

A. 6 EDC21/ 6EDC21
B. 6EDCBA/ 6EDC21
C. EDC21/EDC21
D. 76EDC21/ 7EDC21

A. 20
B. 22
C. 24
D. 30

A. 20 months
B. 18 months
C. 24 months
D. 28 months

A. 3-4 months
B. 4-5 months
C. 5-6 months
D. 6-7 months

A. Premolars, incisors and 1st molars
B. Canine and 2nd molars
C. Canines, premolars and2^ndmolars
D. Incisors and 1st molars

A. 8 months
B. 18 months
C. 8 years
D. 16 years

A. 3 years
B. 1 years
C. 2 years
D. 1 month

A. 2 years
B. 4 years
C. 6 years
D. 8 years

A. One year
B. Two years
C. Three years
D. Four years