Question

How many 2 digit numbers can be formed using the digits 0, 1, 2,3,4,5 without repetition?

• A. 30
• B. 24
• C. 25
• D. 29

Answer 1

The correct option is C

25

The given number of digits is 6.
The tenths place of the two digit number can be filled by 5 digits (0 cannot be used to fill this place).
The units place of the two digit number can be filled by the other four digits and zero also.

So the number of 2 digit numbers that can be formed using 0, 1, 2,3,4,5 is 5x5 is 25.