Question

The number of integers greater than $6000$ that can be formed , using the digits $3,5,6,7$ and $8$, without repetition, is

Answer 1

Four digit numbers will start from $6,7,8$

$3\times 4\times 3\times 2=72$

Five digit numbers$=5!=120$

Total number of integers $120+72=192$

Hence, this is the answer.