A) 31
B) 48
C) 60
D) 72
Correct Answer: D
Solution :
Total arrangements of 5 papers are \[=5\ !=120\] When physics and chemistry come together \[=4\ !\ \times 2\ !=48\] Hence required number of ways are \[120-48=72\].You need to login to perform this action.
You will be redirected in
3 sec