# Ncert Solutions For Class 12 Maths Ex 10.4

## Ncert Solutions For Class 12 Maths Chapter 10 Ex 10.4

### Ncert Solutions For Class 12 Maths Ex 10.4 PDF Free Download

#### Practise This Question

A fair coin is tossed n times and let X denote the number of heads obtained.  If P(X = 4), P(x=5) and (x=6) are in A.P., then n is equal to: