Question

The number of 4 digit numbers formed with the digits 1,1,2,2,3,4 is ​

Answer 1

Answer:

Your Answer is

If repeatation is not alowed

$\sf \: Total \: no \: of \: ways = \frac{6 \times 5 \times 4 \times 3}{2 \times 1 \times 2 \times 1}$

$\sf \: = 90 \: ways$