3 balls inside a bag having nos on it written 1 , 2, 3 on it. a ball is taken and then put inside it. Find probability that all 3 nos r the same when it is taken 3 times
Choose one
A) 1/27	B) 1/3	C) 1/4	D) 1/2	E) 1/5
by law of probability = 1/3 * 1/3 * 1/3 = 1/27   1/27NSWER:1/27
<result>A</result>
3 balls inside a bag having nos on it written 1 , 2, 3 on it. a ball is taken and then put inside it. Find probability that all 3 nos r the same when it is taken 3 times