Question

Grandma Hannah has many flowerpots with flowers in her house. One day, her three grandchildren, Avi, Beni, and Gili, came to visit and tried to guess how many flowerpots she has.
Avi said: "Grandma has more than 8 flowerpots,"
Beni said: "More than 10, I think,"
And then Gili said: "Grandma Hannah has at least 12 flowerpots."
"Two of you are right, and one of you is wrong," answered the grandmother. So how many flowerpots does she have in the house?

Difficulty level (1 very easy - 10 very hard): 2

Algebra -> Word Problems Logic -> Reasoning / Logic Combinatorics -> Case Analysis / Checking Cases -> Processes / Procedures

Sources:

Young Mathematician Olympiad, 2017-2018, Stage A, Grades 5-6 Question 3

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