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Data Sufficiency Probability Mock Tests

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Data Sufficiency Probability Mock Test 1

Questions: 3

Sample Questions

GMAT Data Insights
A data sufficiency question: A bag contains only red and blue marbles. If one marble is selected at random, what is the probability that it is red? Statement (1) The probability of selecting a blue marble is 0.6. Statement (2) There are 24 marbles in total.
A (1) ALONE is sufficient but (2) alone is not sufficient
B (2) ALONE is sufficient but (1) alone is not sufficient
C EACH statement ALONE is sufficient
D BOTH statements TOGETHER are sufficient, but NEITHER alone is sufficient
GMAT Data Insights
A data sufficiency question: A bag contains red, blue, and green marbles. If one marble is selected at random, what is the probability that it is blue? Statement (1) The probability of selecting a red marble is 0.3. Statement (2) The probability of selecting a green marble is 0.4.
A (1) ALONE is sufficient but (2) alone is not sufficient
B (2) ALONE is sufficient but (1) alone is not sufficient
C BOTH statements TOGETHER are sufficient, but NEITHER alone is sufficient
D EACH statement ALONE is sufficient
GMAT Data Insights
A data sufficiency question: A box contains red, blue, and green balls. If one ball is selected at random, what is the probability that it is red? Statement (1) There are 20 balls in total. Statement (2) The ratio of red balls to non-red balls is 3:7.
A (1) ALONE is sufficient but (2) alone is not sufficient
B (2) ALONE is sufficient but (1) alone is not sufficient
C EACH statement ALONE is sufficient
D BOTH statements TOGETHER are sufficient, but NEITHER alone is sufficient

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