state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Quantitative Aptitude Probability

There are 45 electric bulbs in a box out of which 20 are defective. If one bulb is chosen at random from the box, then what is the probability that the chosen bulb is defective?

1
\(\frac{4}{9}\)
2
\(\frac{5}{9}\)
3
\(\frac{4}{5}\)
4
\(\frac{3}{4}\)
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