railway RRB Technician Grade 1 Mock Test 2024 Mathematics Probability Probability of Random Experiments
Three of the six vertices of a regular hexagon ABCDEF are chosen at random. The probability that the triangle formed with these vertices is equilateral is:
1
\(\dfrac{1}{10}\)
2
\(\dfrac{3}{10}\)
3
\(\dfrac{1}{20}\)
4
\(\dfrac{3}{20}\)