The number different seven digit numbers that can be written using only three digits 1,2 and 3 under the condition that the digit 2 occurs exactly twice in each number is:

672

640

512

none of these

Views: 740 students

Found 5 tutors discussing this question

Camila Discussed

The number different seven digit numbers that can be written using only three digits 1,2 and 3 under the condition that the digit 2 occurs exactly twice in each number is:

13 mins ago

Discuss this question LIVE

13 mins ago

Question Text

The number different seven digit numbers that can be written using only three digits 1,2 and 3 under the condition that the digit 2 occurs exactly twice in each number is:

The number different seven digit numbers that can be written using only three digits 1,2 and 3 under the condition that the digit 2 occurs exactly twice in each number is:

Filo tutor solution

Practice questions from similar books