Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Probability

In a bag containing 5 red, 4 black and 6 orange balls. A ball is selected at random, what is the probability of getting a red or black ball?

1

3/5

2

\(\frac{1}{15}\)

3

\(\frac{1}{5}\)

4

More than one of the above

5

None of the above

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