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Introduction To Mathematical Modelling

Question

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A bag contains 190 coins out of which, fifty र2 coins, forty र1 coins and rest र5 coins. One coin is selected at random. Find the probability that it has a र5 coin.

Solution

Solution not provided.
Ans. $10 over 19$

Some More Questions From Introduction to Mathematical Modelling Chapter

Activity: 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.

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