engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Probability Probability of Random Experiments
In a room there are eight couples. Out of them if 4 people are selected at random, the probability that they may be couples is
1
\(\frac{{{{\rm{\;}}^8}{{\rm{c}}_4}}}{{{{\rm{\;}}^{16}}{{\rm{c}}_4}}}\)
2
\(\frac{{{{\rm{\;}}^8}{{\rm{c}}_2}}}{{{{\rm{\;}}^{16}}{{\rm{c}}_8}}}\)
3
\(\frac{{{{\rm{\;}}^8}{{\rm{c}}_2}}}{{{{\rm{\;}}^8}{{\rm{c}}_4}}}\)
4
\(\frac{{{{\rm{\;}}^8}{{\rm{c}}_2}}}{{{{\rm{\;}}^{16}}{{\rm{c}}_4}}}\)