Question

Sum of all 4 digit numbers formed using 4 6 7 8 without repetiotion

Answer 1

4678+4687+4768+4786+4867+4876+6478+6487+6748+6784+6874+6847+7468+7486+7846+7864+7468+7486+7648+7684+8467+8476+8746+8764+8674+8647
hope its helpful

Answer 2

Answer:

166650 is the answer

Step-by-step explanation:

possible no. made by 4 ,6,8,7 where 4 is in thousands place are

4678+4687+4768+4786+4876+4867

=28662

possible no. made by 4 ,6,8,7 where 6 is in thousands place are

6478+6487+6784+6748+6874+6847

=40218

possible no. made by 4 ,6,8,7 where 7 is in thousands place are

7468+7486+7648+7684+7864+7846=

=45996

possible no. made by 4 ,6,8,7 where 8 is in thousands place are

=51774

total sum

=166650