From a pack of 52 playing cards three cards are drawn at random. Find the probability of drawing a king , a queen and a jack? (a)6/5525 (b)1/13^3 (c)1/14^3 (d)1/15^3

The probability of drawing a king, a queen and a jack in that order is $$1/13 * 1/13 * 1/13 = 1/13^3$$
The three cards can be picked up in any order, the number of ways of doing this is = 3! = 6 ways
So, required probability = $$6/13^3$$