The number of possible outcomes are 180.
To find the total number of possible outcomes for two or more events, multiply the number of outcomes for each event together.
Given that,
We have two types of rings Gold and platinum
For this event (material) we have 2 outcomes.
Each ring is available in 10 style
For this event (style) we have 10 outcomes.
Each ring is fitted with 9 gemstones
For this event (gem) we have 9 outcomes.
Total number of possible outcomes = 2×10×9
= 180
Hence, The number of possible outcomes are 180.
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