Question

2.1
A mobile number consists of ten digits. The first four digits of the
number are 9, 9, 8 and 7. The last three digits are 3,5 and 5. The
remaining digits are distinct and make the mobile number, the
greatest possible number. What are these digits?​

Answer 1

Answer:

if the first four digits of the number are 9, 9, 8 and 7 and the last three digits of the number are 3, 5 and 5. Thus, for the greatest possible number, the remaining distinct digits are 6, 4 and 2.