#permutations

Who Will Save Me–

I have teen age grand daughter “Asha”. Other day Asha Said “Nani, I have steped in class 7 th, I am #facing one or other problem.” She further said “I have been trying  to appear for mathematics  #Olympiard examination.Some maths  questions of area  and volume I can handle with ease.Questions of #permutations  and combination  I am not sure I can handle with that precision compare… Read More »Who Will Save Me–