Question

Which of the following is a Pythagorean triplet?

• A. 5, 6 and 8
• B. 7, 8 and 9
• C. 8, 9 and 11
• D. 3, 4 and 5

Answer 1

The correct option is D 3, 4 and 5

In option (a):
$8^2\ne 5^2+6^2$

In option (b):
$5^2=3^2+4^2$

In option (c):
$9^2\ne 7^2+8^2$

In option (d):
${11}^2\ne 8^2+9^2$

So, option (b) represents the pythagorean triplet.