Question

A mobile number consists of 10 digits the first four digit of the number or 9987 the last 3 digits are 355 the remaining digits are distinct and make the mobile number the greatest possible number

Answer 1

9987987355..................

Answer 2

Answer:

Greatest Possible phone number is 9987987355.

Step-by-step explanation:

Given:

Number of digits in a phone number = 10

First four digit of the phone number = 9987

Last 3 digit of the phone number = 355

We need to find the largest possible phone number.

We have total 10 digit.

Out of 7 digit , 4 + 3 = 7  digit are given.

Number of Digit we need to find = 10 - 7 = 3

Now, to make the greatest possible phone number we have to select 3 largest digit and arrange then in decreasing order to make largest number.

Largest 3 digit are 9 , 8 , 7.

So the Phone number = 9987987355

Therefore, Greatest Possible phone number is 9987987355.