Gigazine spotted this really tricky mathematics problem. So how many of you can solve it? ^^

I bet I could ace my maths test back in high school if they included such questions during examinations.
Gigazine spotted this really tricky mathematics problem. So how many of you can solve it? ^^

I bet I could ace my maths test back in high school if they included such questions during examinations.
Don’t know what the question is, but the man should move back 50cm to see under her skirt. (70*12/4)