Here's today's mentalfloss.com Brain Game Free-for-All Friday challenge. Good luck!

What do the following five letters of the alphabet (but none of the other 21) have in common?

G, J, P, Q, Y

Here is the ANSWER.

THE ANSWER:

When printed in lower case, these letters each expand below the baseline: g, j, p, q, y.

None of the others do:  a, b, c, d, e, f, h, i, k, l, m, n, o, r, s, t, u, v, w, x, z.

Thanks for playing! Join us Monday for a new Math Square.