If `p/4 + p/5 = 6,` then p = _____

If |{:(2, -3), (p-4, 2p-1):}| = -6 , then p =____.

If 3 P 4 P 2 = 12 and 6 P 3 P 2 = 18, then 4 P 11 P 2 = ?

Let p_n denote the probability of getting n heads, when a fair coinis tossed m times. If p_4, p_5, p_6 are in AP then values of m can be

If P(A)=(1)/(5) and P(A-B)=(1)/(6) , then P(A nn B) =_______.