The sum of three consecutive integers is 87. What is the largest of them?

Correct answer: D. 30

Let the integers be x, x + 1 and x + 2: 3x + 3 = 87, so x = 28. The integers are 28, 29 and 30, and the largest is 30. Shortcut: the middle number is the sum divided by 3, here 87 ÷ 3 = 29.

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Answer and explanation

The correct answer is D. 30

Let the integers be x, x + 1 and x + 2: 3x + 3 = 87, so x = 28. The integers are 28, 29 and 30, and the largest is 30. Shortcut: the middle number is the sum divided by 3, here 87 ÷ 3 = 29.

Topic: Numerical Word Problems MCQs · Subject: Numerical Ability