Tuesday 22 February 2022

A bag contains 7 RED beads, 10 BLUE beads, and 3 GREEN beads. If a single bead is picked at random, what is the probability that the bead is RED?

 A bag contains 7 RED beads, 10 BLUE beads, and 3 GREEN beads. If a single bead is picked at random, what is the probability that the bead is RED?
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1020
 
1320
 
720
 
1720
 
320
Answer Explanation
Correct answer:
720

There are 7 red beads, and the total number of beads is 7+10+3=20. So the probability of getting a red bead is 720.

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