For three events A, B and C, P(Exactly one of A or B occurs) = P(Exactly one of B or C occurs) = P (Exactly one of C or A occurs) = 1/4 and P(All the three events occur simultaneously) = 1/16. Then the probability that at least one of the events occurs, is:

Statistics and Probability: JEE Main 2017 Mathematics question

JEE Main 2017 · Session, Shift 1 · Q5016

JEE Main 2017Session, Shift 1MathematicsMediumStatistics and Probability258× since 2002

For three events A, B and C, P(Exactly one of A or B occurs) = P(Exactly one of B or C occurs) = P (Exactly one of C or A occurs) =

{1 \over 4}

and P(All the three events occur simultaneously) =

{1 \over {16}}

. Then the probability that at least one of the events occurs, is :

JEE Main 2017 · Session, Shift 1 · Q5016

JEE Main 2017Session, Shift 1MathematicsMediumStatistics and Probability258× since 2002

For three events A, B and C, P(Exactly one of A or B occurs) = P(Exactly one of B or C occurs) = P (Exactly one of C or A occurs) =

{1 \over 4}

and P(All the three events occur simultaneously) =

{1 \over {16}}

. Then the probability that at least one of the events occurs, is :