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UPCAT Mathematics practice question 47: Three consecutive integers have a sum of 51. What is the largest of the three?

Correct answer

D. 18

Let the integers be n − 1, n, and n + 1. Their sum is 3n = 51, so n = 17 and the largest is 18.

Three consecutive integers have a sum of 51. What is the largest of the three?

  1. 16
  2. 17
  3. 19
  4. 18Correct

Why D is correct

Let the integers be n − 1, n, and n + 1. Their sum is 3n = 51, so n = 17 and the largest is 18.

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