question is attached. Please send step by step complete solution.

Asked by sudhanshubhushanroy | 10th Dec, 2017, 03:53: AM

Expert Answer:

begin mathsize 16px style no. space of space ways space to space try
15 cross times 15 cross times 15
correct space way space is space 1
so space un space sucessful space ways equals 3375 minus 1 equals 3374 end style

Answered by Arun | 12th Dec, 2017, 03:16: PM