Question

The sum of two consecutive number is is 81 what is the consecutive number

Answer 1

Let one number = x

and other number=x+1

acc.to.ques.

x+x+1=81

2x+1=81

2x=81-1

2x=80

x=80/2

x=40

and other number=x+1

x+1=40+1

41

two nos. = 40 and 41

Answer 2

The two consecutive numbers are 40 and 41.

Given:

Sum of two consecutive numbers = 81

To Find:

The two consecutive numbers.

Solution:

Consecutive numbers are those numbers that follow each other.

They are in a sequence or in some order.

For example, a set of natural numbers are said to be consecutive integers.

So let the first consecutive number be $x$ and the second number be $x+1$

According to the question,

$\implies x + (x+1) = 81\\\\\implies 2x+1=81\\\\\implies 2x=81-1\\\\\implies 2x=80\\\\\implies x=\frac{80}{2}\\ \\\implies x=40$

Therefore the first number is $x=40$ and the second number is $x+1=40+1=41$

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