Which is the smallest four digits number made from the digits 3, 8, 7 by using one-digit twice?
A. 3378
B. 3783
C. 3873
D. 3837.
Answer:A
Which is the smallest four digits number made from the digits 3, 8, 7 by using one-digit twice?
A. 3378 B. 3783 C. 3873 D. 3837.