Question

The number of integers greater than $6,000$ that can be formed using the digits $3, 5, 6, 7$ and $8$ without repetition is

• A. 216
• B. 192
• C. 120
• D. 72

Answer 1

Answer: (B)

192

Answer 2

$6 / 7 / 8$ $----$ $\downarrow$ $3 \times{ }^{4} C_{3} \times 3 !=72$ $-----\,\,\,=120$ Total $=192$