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Question

The sum of the squares of three consecutive natural numbers is 2030.What is the middle number?


A

25

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B

26

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C

27

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D

28

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E

24

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Solution

The correct option is B

26


Let the numbers be x and x+1 and x+2

Then, x2+(x+1)2+(x+2)2=20303x2+6x2025=0. x2+2x675=0(x+27)(x25)=0x=25.

Middle number = (x+1)=26.


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