Question

A student has to match three historical events-Dandi March, Quit India Movement and Mahatma Gandhi's assassination with the years 1948, 1930 and 1942. The student has no knowledge of the correct answers and decides to match the events and years randomly. If X denotes the number of correct answer obtained by the student, then

Answer 1

The number of ways in which the students can mark the answer in (3) (2) (1)$=6$
A) All the three answer can be correct in just one way $P=\frac{1}{6}$
B) exactly two correct is impossible $P=0$
C) exactly one can be correct in exactly 3 ways $P=\frac{1}{2}$
D) no correct in 2 ways $P=\frac{1}{3}$