Correct Answer - Option 2 : 91/300
Given:
Number of blanks = 14
Number of Prizes = 11
Calculation:
Total number of lotteries = (11 + 14) = 25
Number of ways to select 2 lotteries = 25C2 = 300
Number of ways to select 2 blanks = 14C2 = 91
∴ Probability that both are blanks = 91/300