exam Maths Puzzle Numerical Ability

A box contains 5 green, 2 yellow, and 3 purple balls. Find the probability of obtaining a green or a yellow or a purple ball in a single draw.

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exam Other Question

9g-6>12g+1or4<-2/5g+8 Thank YOU. A merchant has coffee worth $40 a pound that she wishes to mix with coffee worth $90 a poundto get a 75 pound mixture that can be sold for $7o How many pounds of each type of coffe