Subject
Bank Exam
Topic
Jamuna Bank Ltd. 2014 (PO)
A jar contains 4 red toothpicks, 10 blue toothpicks and 6 yellow toothpicks. If three toothpicks are removed from the bag at random and no toothpick is returned to the bag after removal, what is the probability that all three toothpicks will be blue?
A jar contains 4 red toothpicks, 10 blue toothpicks and 6 yellow toothpicks. If three toothpicks are removed from the bag at random and no toothpick is returned to the bag after removal, what is the probability that all three toothpicks will be blue?
ক)
1/2খ)
1/8গ)
3/20ঘ)
2/19Explanation
probablity=10/20 x 9/19 x 8/18=2/19Related questions
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