Statement 1 is insufficient because we don't know how many red marbles are there in the bag.
Statement 2 is insufficient because we don't know the number of total marbles in the bag.
But if we combine both statements, we get total marble = 9, red marbles = 3.
Probability = 3/9 = 1/3
Option C is correct
Statement 2 is insufficient because we don't know the number of total marbles in the bag.
But if we combine both statements, we get total marble = 9, red marbles = 3.
Probability = 3/9 = 1/3
Option C is correct



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