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Calculating Probability

The probability is the number of favorable outcomes out of the number of possible outcomes.

 

For example: Consider the spinner given below.

3

Suppose this spinner is spun once. Let's find the probability of landing on purple.

 

In the given spinner, there are seven sections. So, there are 7 possible outcomes.

Out of 7 sections, 3 sections are purple. So, there are 3 favorable outcomes.

 

So, the probability that the spinner will land on purple is 3 out of 7.
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Help

The correct answer is

Remember :

The smallest number is the one that comes first while counting.

Solution :

To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.

21,27,23

21 is the smallest number.