A vessel contains 4 black beads, 6 white...

A vessel contains 4 black beads, 6 white beads, and 10 red beads Another vessel contains 7 black beads, 5 white beads and 8 red beads If we take one bead from each vessel, without looking into it,
a) What is the probability of both being same colour?
b) What is the probability of both being different colours?
c) What is the probability of getting alleast one black bead?

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