If the sum of three consecutive numbers is 15, what is the square of the middle number?

16

25

36

9

x + (x+ 1) + ( x+ 2) = 15
3x + 3 = 15
3x = 12
x = 12/3
x = 4
x+1 = 5
x+2 = 6

There square of 5² = 5 x 5 = 25

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If the sum of three consecutive numbers is 15, what is the square of the middle number? 16 25 36 9

Mathematical Reasoning

Reasoning - Verbal

If the sum of three consecutive numbers is 15, what is the square of the middle number?

16

25

36

9