Girlfriend can't seem to figure out this simple math question 24/03/2016 "A big brother is four years old. A little brother is half his age. How old will the little brother be when the big brother is 100?" Did you work it out? This girlfriend didn't... Watch as how this woman falls prey to her boyfriend's maths trap. Win More FM's Christmas Cracker WIN a Family Staycation this Christmas, thanks to The Royal New Zealand Ballet's Nutcracker Win Shop, Rock, Relax to Disneyland Visit the happiest place on Earth! Check Out More Marlborough Event Guide Horowhenua Kapiti Morning Tea Shout with White Rose Cakery Paraparaumu Beach Auckland Heritage Festival 2018 Bay Of Plenty HOT Pink Walk Marlborough Top of the South Film Festival Marlborough More FM Beach Day Win Love your leftovers thanks to New World Pods! Join the Royal New Zealand Ballet at Te Papa! Northland Mitre 10 MEGA Night 2018!