Write all possible two-digit numbers that can be formed by using the digits 3 and 5. Repetition of digits is allowed.
Two-digit numbers, when repetition of digits is allowed:
35,53,33,55
Write all possible two-digit numbers that can be formed by using the digit 3,7and9. Repetition of digits is allowed.
Write all possible two-digit numbers that can be formed by using the digits 3 and 5. Repetition of digits is not allowed.
Write all possible two-digit numbers that can be formed by using the digits 2,3and4. Repetition of digits is not allowed. Also find their sum.