Mathematics for IGCSE & O level - Probability (Section 2 - No. 12)
A bag contains 4 red balls and 6 blue balls. If a ball is selected at random, what is the probability it is red?
1/5
2/5
3/5
1/10
Explanation
The probability is the number of red balls divided by the total number of balls: 4/10 = 2/5.
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