Question

Find two consecutive numbers whose sum is 31.​

Answer 1

Answer:

Let two consecutive natural numbers be x and x+1 .

Sum of these numbers

=x+x+1

=2x+1

Difference of their squares (from largest)

=(x+1)2−x2

=x2+2x+1−x2

=2x+1

∴ Both are equal.

So the answer is also 31.

Answer 2

Answer:

unknown as x ,x+1

Step-by-step explanation:

x+x+1=31

2x=30

x=15

Another number is x+1=15+1=16

15,16 is the answer of your question

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