Question

Name the mobile number of any members of your family-4 digit, 5 digit, 6 digit
By repeating the digits
By repeating the digits not

Answer 1

Answer:

9,9,3,8,0,8,6,1,5,0

9999, 33333, 888888

963,805,9932

Answer 2

By repeating the digits, there would be 27 possible numbers & By not repeating the digits, there would be 6 possible numbers.

To find,

The mobile number of any members of my family -4 digit, 5 digit, 6 digit

By repeating the digits

By repeating the digits not

Solution:

The 4th,5th and 6th digit of my family member's mobile number are 7, 9 and 6 respectively.

By repeating the digits, there would be

• 3*3*3 = 27 possible numbers

They are,

• 796
• 769
• 679
• 697
• 976
• 967
• 997
• 996
• 699
• 799
• 969
• 979
• 999
• 779
• 776
• 767
• 797
• 677
• 977
• 777
• 667
• 669
• 766
• 966
• 676
• 697
• 666

By not repeating the digits, there would be

• 3*2*1 = 6 possible numbers

They are,

• 796
• 769
• 679
• 697
• 976
• 967

By repeating the digits, there would be 27 possible numbers & By not repeating the digits, there would be 6 possible numbers

#SPJ2