Ask all the students in your class to write a 3-digit number.
Question.

Ask all the students in your class to write a 3-digit number. Choose any student from the room at random. What is the probability that the number written by her/him is divisible by 3? Remember that a number is divisible by 3, if the sum of its digits is divisible by 3.


Solution:

This is an activity based question. Students are advised to perform this activity by yourself.
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