Question

find all the pairs of consecutive odd natural numbers both of which are larger than 10 and their sum is less than 40.
plz help me

Answer 1

HEYA!!
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Let one natural number be X

Other natural Number = X + 2

Given that ,

$x > 10$
Also ,

$x + x + 2 < 40$
$2x + 2 < 40$
$2x < 38 \\ \\ x < 19$
We have ,


$10 < x < 19$
So the pair of integers are ,

(11, 13 ), ( 13,15 ) (15,17 ) (17,19 )

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