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AMO · 2027 · Grades 2-3 · Self-study SET 20 Question 11

AMO

Question 11

Ayer and Kumar tossed a coin. Ayer wins if it is a head while Kumar wins if it is a tail. The winner gets 3 marbles from the loser. Both had 20 marbles each in the beginning. They played 10 rounds and Ayer won 4 rounds. What is the total number of marbles Kumar had in the end?

Enter one whole number, without units.