Multiple choice

In a multipe choice question there are four alternative answers of which one or more then one is correct. A candidate will get marks on the question only if he ticks all he correct answer. The candidate decides to tick answer at random. If he is allowed upto three chance to answer the question, the probability that he will get marks on it is given by :

  1. $1-(14/15)^{3}$
  2. $(1/15)^{3}$
  3. $1/5$
  4. $(14/15)^{3}$
Reveal answer Fill a bubble to check yourself
C Correct answer