SSAT Math Question 572: Answer and Explanation

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Question: 572

1. How many numbers between 1 and 100 are multiples of both 2 and 7 ?

  • A. 6
  • B. 7
  • C. 8
  • D. 9

Correct Answer: B

Explanation:

First, since there are fewer multiples of 7, list the multiples of 7 from 1 to 99. The multiples are 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, and 98. The multiples that would also be multiples of 2 would be the even numbers: 14, 28, 42, 56, 70, 84, and 98. This is a total of 7 numbers. The correct answer is (B).

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