13.9 Mother, father and son line up at random for a family picture
E : son on one end, F : father in middle
Total outcomes
Let S be son, M be mother and F be father.
Then we have,
CBSE announces deadline for Class 10, 12 direct admissions, subject change
CBSE warns about unauthorised sources offering ‘quick’ ways of getting duplicate marksheets, certificates
CBSE unveils 8 major changes for Class 10, 12 board exams; what students need to know
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now