SSAT Math Question 237: Answer and Explanation
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Question: 237
1. Let x be an integer such that 41 < x < 60. What is the probability that x is divisible by 3 but NOT divisible by 2?
- A.
- B.
- C.
- D.
Correct Answer: A
Explanation:
The answer is A
List out the integers greater than 41 and less than 60. Cross out all the even integers, since all even integers are divisible by 2. Circle the remaining numbers that are divisible by 3: 45, 51, and 57. As there are three numbers that are divisible by 3 but not by 2, and there are a total of 18 numbers in the range, the probability is .