The number of integers greater than 6000 that can be formed, using the digits 3,5,6,7 and 8, without repetition is :
[JEE Main Solved Paper-2015 ]
A)120
B)72
C) 216
D)192
Correct Answer:
D
Solution :
Total \[3\times 4!+5!=192\] \[=72+120=192\] 1 st place can be filled in 3 ways with 6 (or) 7 (or) 8 Remaining 4 places in 4! ways and 5 digits can be arranged in 5! ways .