How many 6 digit telephone numbers can be formed if each number starts with 35 and no digit appears more than once?
A. 720
B. 360
C. 1420
D. 1680
Answer:D
How many 6 digit telephone numbers can be formed if each number starts with 35 and no digit appears more than once?
A. 720 B. 360 C. 1420 D. 1680