Question

Which one of the following is not a Pythagorean triplets?

• A. $7,24,25$
• B. $15,112,113$
• C. $10,24,26$
• D. $14,12,13$

Answer 1

The correct option is D $14,12,13$

$14,12,13$ is not a Pythagorean triplet.
On squaring, we get
${12}^2+{13}^{2}and{14}^2$
$144+169and196$
$313\ne 196$