Question

A box contain 4 black beads, 6 white beads, 10 red beads in another box contain 7 black beads, 5white beads, 8 red beads probablity of both being same colour? probanlity both being diffrent colour? probablity of getting at least one black bead?

Answer 1

Answer:

The answer is 5 because 4 black beads+6 white beads+ 10 red beads = 20 in the first box. so same, we have to do like that EX. 7 black beads+ 8 red beads = 15. so we have to subtract 20-15 = 5. So the correct answer is 5.

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