ISEE Quantitative Comparisons Question 124: Answer and Explanation

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Question: 124

4.

  • A. The quantity in Column A is greater.
  • B. The quantity in Column B is greater.
  • C. The two quantities are equal.
  • D. The relationship cannot be determined from the information given.

Correct Answer: C

Explanation:

The answer is C

Break 48 and 96 into prime numbers. The prime numbers of 48 are 2, 2, 2, 2, and 3. The prime numbers of 96 are 2, 2, 2, 2, 2, and 3. Thus, the least common multiple must include all of the 2s from 96 and a 3. The result is 96.

List out the first few multiples for the two numbers until you have a common multiple. The first two multiples of 48 are 48 and 96. The first multiple of 96 is 96. Thus, 96 is the least common multiple.

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