Question

In a lottery, there are 20 prizes and 25 blanks. A ticket is chosen at random. What is the probability of getting a blanks?
1. 4/7
2. 3/8
3. 2/5
4. 5/9

Answer 1

Correct Answer - Option 4 : 5/9

Formula Used:

Probability = Number of favorable events/Total number of events 

Calculation:

Total number of events = 45

(20 + 25)

Number of favorable events = 25

⇒ Probability = 25/45 = 5/9

∴  The probability of getting a blank is 5/9

The correct option is 4 i.e. 5/9